GrammarNavigator

Languages

English Grammar

Explore 126 grammar topics for English. Each concept explained with real examples — no comparisons, just the rules that matter.

Topics

Grammar Topics

Each topic shows how English handles the concept, with examples and common pitfalls.

126 topics

Adjective Order

Intermediate

How multiple adjectives are sequenced before nouns in Spanish, English and Chinese.

A beautiful old Italian car

a beautiful old Italian car (opinion-age-origin)

A big red wooden box

a big red wooden box (size-color-material)

Order flexibility

Strict (violations sound foreign)

Explanation

Adjectives

Beginner

How adjectives modify nouns in Spanish, English and Chinese.

Position

Before noun

Agreement

No

Multiple adjectives

Fixed order (opinion-size-age-shape-color-origin-material-purpose)

Explanation

Adjuncts

Advanced

How Spanish, English and Chinese add optional information about time, place, manner, and reason.

Yesterday he arrived (time)

Yesterday he arrived / He arrived yesterday (flexible)

He arrived quickly (manner)

He arrived quickly (-ly adverb)

He arrived in Madrid (place)

He arrived in Madrid (preposition depends on verb)

Explanation

Adverbs

Beginner

How adverbs modify verbs, adjectives and other adverbs in Spanish, English and Chinese.

Formation

adjective + -ly (quickly)

Position (manner)

Usually after verb/object

Position (frequency)

Before main verb / after 'be'

Explanation

Anaphora

Advanced

How Spanish, English and Chinese refer back to previously mentioned entities.

John said he would come

John said that he would come (he = John or other)

John saw himself

John saw himself (himself = reflexive)

John's book and Mary's book

John's book and Mary's (Mary's = possessive pronoun)

Explanation

Apposition

Advanced

How nouns are placed next to each other for identification or clarification in Spanish, English and Chinese.

My friend, the doctor

my friend, the doctor (comma)

Paris, the capital of France

Paris, the capital of France (comma)

President Biden

President Biden (no comma)

Explanation

Articles

Beginner

How definite and indefinite articles work in Spanish, English and Chinese.

Definite singular

the book

Indefinite singular

a book

Definite plural

the books

Explanation

Aspect

Intermediate

How grammatical aspect expresses whether an action is completed, ongoing, habitual, or repeated in Spanish, English and Chinese.

Completed action

Past simple: I spoke / I have spoken

Ongoing action

Continuous: I am speaking

Habitual action

Used to / would: I used to speak

Explanation

Binding & Reflexivity

Advanced

How Spanish, English and Chinese constrain the relationship between pronouns and their antecedents.

John saw himself (local binding)

John saw himself (himself = John, local)

John said Peter saw himself (must be Peter)

John said that Peter saw himself (himself = Peter, NOT John)

John saw him (him ≠ John)

John saw him (him ≠ John)

Explanation

Causative Constructions

Advanced

How to express 'making someone do something' or 'having something done' in Spanish, English and Chinese.

Make someone do (force)

make + bare infinitive

Let someone do (permit)

let + bare infinitive

Have someone do (arrange)

have + bare infinitive / get + to

Explanation

Classifiers

Beginner

How classifiers (measure words) work in Chinese, compared to articles and gender in Spanish and English.

Counted noun (one book)

a book / one book

Demonstrative + noun

this book

Gender system

No

Explanation

Clitics & Pronoun Placement

Advanced

How unstressed pronouns attach to verbs in Spanish, English and Chinese.

I see him

I see him

See him!

See him!

Give it to me

Give it to me

Explanation

Code-Switching & Borrowing

Advanced

How speakers alternate between Spanish, English and Chinese in multilingual contexts.

Single-word switch (noun)

I want some agua (agua → Spanish in English)

Phrase-level switch

Let's go to la casa (Spanish phrase in English)

Switched verb with native morphology

I want to comer (Spanish verb in English frame)

Explanation

Complement Clauses

Beginner

How clauses function as subjects, objects, and complements in Spanish, English and Chinese.

I know that he came

I know that he came

I want him to come

I want him to come

It's important that he study

It's important that he study (subjunctive)

Explanation

Compounding

Advanced

How words are combined to form new lexical items in Spanish, English and Chinese.

Blackboard

black + board (compound)

Toothbrush

tooth + brush (compound)

Skyscraper

sky + scraper (noun-noun compound)

Explanation

Concessive Clauses

Advanced

How languages express that something is true despite contrary expectations in Spanish, English and Chinese.

Although it rains, I'll go

Although it is raining, I'll go

Even if it rains, I'll go

Even if it rains, I'll go

Despite the rain

Despite the rain / In spite of the rain

Explanation

Concord & Agreement

Intermediate

How subjects agree with verbs, and modifiers agree with nouns in Spanish, English and Chinese.

I speak / He speaks

I speak / He speaks (-s for 3rd person singular)

The tall boy / The tall girl

The tall boy / The tall girl (no agreement)

The tall boys / The tall girls

The tall boys / The tall girls

Explanation

Conditional Mood

Intermediate

How languages express hypothetical, counterfactual, and uncertain situations in Spanish, English and Chinese.

I would go

I would go

If I had time, I would read

If I had time, I would read

If I had studied, I would have passed

If I had studied, I would have passed

Explanation

Conditionals

Intermediate

How if-clauses express hypothetical, probable, and impossible situations in Spanish, English and Chinese.

Zero conditional (fact)

If + present, present

First conditional (probable)

If + present, will + verb

Second conditional (hypothetical)

If + past simple, would + verb

Explanation

Conjunctions

Beginner

How conjunctions connect clauses and ideas in Spanish, English and Chinese.

And

and

But

but / yet

Or

or

Explanation

Consonants

Beginner

The consonant inventories and phonotactic patterns of Spanish, English and Chinese.

Total consonant phonemes

~24

Aspiration contrast

Yes (pʰ, tʰ, kʰ initially; p, t, k after s)

Voicing contrast

Yes (p/b, t/d, k/g, f/v, s/z, etc.)

Explanation

Coordination

Intermediate

How Spanish, English and Chinese join words, phrases, and clauses with conjunctions.

John and Mary

John and Mary

John or Mary

John or Mary

John but not Mary

John but not Mary

Explanation

Copula & Linking Verbs

Beginner

How Spanish, English and Chinese link subjects to predicates that are not actions.

I am a doctor

I am a doctor

I am tired

I am tired

I am in Madrid

I am in Madrid

Explanation

Correlative Constructions

Beginner

How paired elements work together in comparative, conditional, and alternative structures across Spanish, English and Chinese.

The more... the more

The more... the more

Both... and

both... and

Neither... nor

neither... nor

Explanation

Dative Shift & Indirect Objects

Advanced

How objects are reordered when an indirect object is present in Spanish, English and Chinese.

I gave John a book

I gave John a book (dative shifted)

I gave a book to John

I gave a book to John (prepositional)

Dative shift (alternation)

Very productive (John the book / the book to John)

Explanation

Deixis

Advanced

How languages point to people, places and times relative to the speaker in Spanish, English and Chinese.

This (near speaker)

this

That (near listener)

that

That (far from both)

that (yon — archaic)

Explanation

Demonstratives

Beginner

How demonstrative pronouns and adjectives work in Spanish, English and Chinese.

This (near speaker)

this

That (near listener)

that

That over there (far from both)

that (over there)

Explanation

Determiners

Beginner

How Spanish, English and Chinese use words that specify or quantify nouns.

The book (definite)

the book

A book (indefinite)

a book / an apple

Some books

some books

Explanation

Dialects & Variation

Advanced

Regional and social dialect variation across Spanish, English and Chinese.

Major varieties

British (RP, Scots, Irish, Geordie), American (General, Southern, AAVE), Australian, Indian, Singapore

Mutual intelligibility

High (written); variable spoken (Scots, strong regional accents)

Phonological variation

rhoticity, trap-bath split, cot-caught merger, vowel shifts

Explanation

Direct and Indirect Objects

Beginner

The distinction between Spanish direct and indirect objects, their pronouns, and how English and Chinese express equivalent relationships.

Direct object marking

word order / it/him/her

Indirect object marking

to + noun/pronoun

Double pronouns (IO + DO)

to him/her + it/them

Explanation

Directional Verbs

Advanced

How movement, direction and path are expressed in Spanish, English and Chinese.

Come here

Come here

Go there

Go there

Come in

Come in

Explanation

Discourse Connectors

Advanced

How ideas are linked across sentences and paragraphs in Spanish, English and Chinese.

Furthermore / Moreover

furthermore / moreover / in addition / besides

However / Nevertheless

however / nevertheless / nonetheless / yet

Therefore / Thus

therefore / thus / hence / consequently / as a result

Explanation

Double Negation

Advanced

How multiple negatives interact in Spanish, English and Chinese.

I don't know anything

I don't know anything

Nobody never came

Nobody ever came (nobody never = somebody)

I don't need nothing

I don't need anything (I don't need nothing = non-standard)

Explanation

Ellipsis & Dropping

Intermediate

How subjects, objects and verbs are omitted in Spanish, English and Chinese.

Subject omission

Very rare (imperatives only)

Object omission

Rare (anaphora only)

Verb omission

Very rare (elliptical answers)

Explanation

Emphasis & Cleft Sentences

Advanced

How to emphasize specific parts of a sentence in Spanish, English and Chinese.

It was John who left

It was John who left

It was yesterday that he left

It was yesterday that he left

What I want is peace

What I want is peace

Explanation

Equatives

Advanced

How Spanish, English and Chinese express equality or similarity between entities.

John is as tall as Mary

John is as tall as Mary (as...as)

John is not as tall as Mary

John is not as tall as Mary

John runs as fast as Mary

John runs as fast as Mary

Explanation

Etymology

Advanced

The origins and historical development of words in Spanish, English and Chinese.

Primary ancestor

Proto-Germanic + heavy Latin/French influence

Written tradition age

~1,300 years (from ~700 CE)

Vocabulary layers

Anglo-Saxon + Norman French + Latin + Greek + global loans

Explanation

Evidentiality

Advanced

How speakers mark the source of their information in Spanish, English and Chinese.

I see that he left

I see that he left

I heard he left

I heard he left

It seems he left

It seems he left

Explanation

Exclamations

Beginner

How surprise, admiration, anger and intensity are expressed in Spanish, English and Chinese.

What a beautiful day!

What a beautiful day!

How tall he is!

How tall he is!

How many books!

What a lot of books! / So many books!

Explanation

Existence & Location

Beginner

How existence, presence and location are expressed in Spanish, English and Chinese.

There is/are (existence)

there is / there are

Location (to be at)

be / is at

Possession (to have)

have / has

Explanation

Existential Constructions

Advanced

How languages express that something exists or is present in Spanish, English and Chinese.

There is a book

There is a book

There are many people

There are many people

There isn't any water

There isn't any water / There's no water

Explanation

False Friends

Advanced

How cognates and similar-looking words can mislead learners across Spanish, English and Chinese.

Actual

actual = real, existing in fact

Embarrassed / Embarazada

embarrassed = avergonzado

Library / Librería

library = biblioteca

Explanation

Finite vs Non-Finite Verbs

Intermediate

How Spanish, English and Chinese distinguish verbs that carry tense from those that do not.

I want to leave (to-infinitive = non-finite)

I want to leave (to leave = infinitive, non-finite)

Leaving early is wise (gerund = non-finite subject)

Leaving early is wise (-ing form as subject)

Seen from above (past participle = non-finite)

Seen from above (past participle, non-finite)

Explanation

Focus

Intermediate

How Spanish, English and Chinese mark the most important information in a sentence.

It was JOHN who broke it (cleft)

It was JOHN who broke it (it-cleft)

JOHN broke it (stress)

JOHN broke it (stress on subject)

It was THE VASE that John broke (object cleft)

It was THE VASE that John broke

Explanation

Formal vs Informal Register

Beginner

How politeness, formality and social distance are encoded in Spanish, English and Chinese.

You (singular informal)

you

You (singular formal)

you (no distinction)

You (plural informal)

you / you guys / y'all

Explanation

Future Forms

Beginner

Learn how to express the future in English (will, going to, present continuous), Spanish (futuro simple, ir a + infinitivo), and Chinese (huì, yào, jiāng).

Spontaneous decision

I forgot! I'll do it now.

Prediction based on evidence

Look at those clouds. It's going to rain.

Planned intention

I'm going to study medicine next year.

Explanation

Grammatical Case

Beginner

How Spanish, English and Chinese mark the grammatical role of nouns and pronouns through case.

Nominative (subject)

I, you, he, she

Accusative (direct object)

me, you, him, her, us, them

Dative (indirect object)

me, you, him, her, us, them (same as accusative)

Explanation

Grammatical Gender

Beginner

How grammatical gender works in Spanish, English and Chinese.

System type

Natural (he/she/it for animates)

Articles agree

No (the)

Adjectives agree

No

Explanation

Grammaticalization

Beginner

How lexical words become grammatical markers in Spanish, English and Chinese.

Future from 'go'

be going to + verb (I'm going to eat)

Progressive from locative

be + -ing (originally locative 'be on/at doing')

Perfect from 'have'

have + past participle (I have eaten)

Explanation

Hedges & Mitigation

Advanced

How speakers soften statements, express uncertainty, and avoid commitment in Spanish, English and Chinese.

Maybe / perhaps

maybe / perhaps / possibly

Kind of / sort of

kind of / sort of / somewhat

I think / I guess

I think / I guess / I suppose

Explanation

Honorifics & Social Register

Advanced

How respect, hierarchy and social distance are encoded in grammar in Spanish, English and Chinese.

You (formal)

you (no grammatical distinction)

You (informal)

you

Mr./Ms. + name

Mr./Ms./Mrs. + last name

Explanation

Idiomatic Phrases

Advanced

Common idiomatic expressions that don't translate literally across Spanish, English and Chinese.

It's raining cats and dogs

It's raining cats and dogs

Break a leg (good luck)

Break a leg

Kill two birds with one stone

Kill two birds with one stone

Explanation

Imperatives

Beginner

How commands, requests and instructions are formed in Spanish, English and Chinese.

Positive command (Come!)

Come!

Negative command (Don't come!)

Don't come!

Formal request

Please come / Would you come?

Explanation

Impersonal Constructions

Advanced

How languages express actions without a specific agent in Spanish, English and Chinese.

It is raining

It is raining

One must study

One must study / You have to study

They say / People say

They say / People say / It is said

Explanation

Indirect Questions

Advanced

How yes/no and wh-questions are embedded as complements in Spanish, English and Chinese.

I don't know if he came

I don't know if he came

I wonder where he went

I wonder where he went

Tell me what you want

Tell me what you want

Explanation

Infinitives

Intermediate

How infinitive forms work in Spanish, English, and Chinese.

Dictionary form

to speak, to eat, to live

Infinitive as subject

To swim is healthy. / Swimming is healthy.

Infinitive after modal

I can swim.

Explanation

Interjections

Beginner

Learn how Interjecciones works in Spanish, English and Chinese.

¡Ouch! (dolor)

Ouch! / Ow!

¡Wow! (sorpresa)

Wow!

¡Oh no! (lamentación)

Oh no!

Explanation

Intonation & Sentence Melody

Advanced

How pitch and tone convey meaning in statements, questions, and emphasis in Spanish, English and Chinese.

Yes/No question intonation

Rising intonation at end

Wh-question intonation

Falling intonation at end

Statement intonation

Falling intonation at end

Explanation

Inversion & Fronting

Intermediate

How word order is reversed or rearranged for emphasis in Spanish, English and Chinese.

Here comes the bus

Here comes the bus (locative inversion)

Never have I seen such beauty

Never have I seen such beauty (auxiliary inversion)

Only then did I understand

Only then did I understand (auxiliary inversion)

Explanation

Light Verbs

Intermediate

How common verbs combine with nouns to create verbal meaning in Spanish, English and Chinese.

Take a walk

take a walk

Take a shower

take a shower

Make a decision

make a decision

Explanation

Loanwords & Borrowing

Advanced

How Spanish, English and Chinese adopt and adapt words from other languages.

Computer

computer — from Latin computare

Coffee

coffee — from Arabic via Turkish/Dutch

Typhoon

typhoon — from Chinese taifeng via Arabic/Greek

Explanation

Making Comparisons

Beginner

How to compare things in Spanish, English and Chinese.

Taller than

taller than / more expensive than

As tall as

as tall as

Less tall than

less tall than / not as tall as

Explanation

Measure Words

Beginner

How units, containers and portions are expressed in Spanish, English and Chinese.

A cup of tea

a cup of tea

A bottle of water

a bottle of water

A piece of cake

a piece of cake

Explanation

Modals

Beginner

How modal verbs express possibility, obligation, permission and ability in Spanish, English and Chinese.

Ability (can)

can / could

Possibility (may/might)

may / might

Permission (may)

may / can

Explanation

Mood

Advanced

How grammatical mood (indicative, subjunctive, imperative, conditional) works in Spanish, English, and Chinese.

Statement of fact

She studies medicine.

Wish / desire

I want you to come.

Hypothetical

If I had money, I would travel.

Explanation

Morphemes

Intermediate

How Spanish, English and Chinese build words from the smallest meaningful units.

cats = cat + -s

cats = cat + -s (plural inflection)

walked = walk + -ed

walked = walk + -ed (past inflection)

happiness = happy + -ness

happiness = happy + -ness (derivation)

Explanation

Negation

Beginner

How sentences are negated in Spanish, English and Chinese.

Simple negation

do/does/did + not + verb

Negation of 'to be'

am/is/are + not

Negation of 'to have'

do/does + not + have

Explanation

Nominalization

Intermediate

How verbs and adjectives become nouns in Spanish, English and Chinese.

The good (people/things)

the good

What is important

the important thing / what is important

To swim is fun

Swimming is fun / To swim is fun

Explanation

Nouns

Beginner

How Spanish, English and Chinese form and use nouns: countability, gender, proper vs common, and abstract vs concrete.

The table

the table (no gender)

Two tables

two tables (-s plural)

Water (mass noun)

water (mass, no article)

Explanation

Numbers & Counting

Beginner

How cardinal and ordinal numbers work in Spanish, English and Chinese.

1-10 basic

one, two, three... ten

11-19 (teens)

ten + number (eleven, twelve, thirteen...)

20, 30, 40...

twenty, thirty, forty...

Explanation

Orthography

Beginner

The visual representation of language in writing across Spanish, English and Chinese.

Alphabet size

26 letters

Sound-letter correspondence

Irregular (deep orthography)

Stress marking

No stress marking in writing

Explanation

Participles

Intermediate

How present and past participles work in Spanish, English, and Chinese.

Present participle / gerund

reading (I am reading)

Past participle

read (I have read)

Participle as adjective

The door is open.

Explanation

Particles

Intermediate

How Chinese particles express aspect, mood and tone, compared to verb conjugation in Spanish and auxiliaries in English.

Completion

Past simple: I spoke

Past experience

Present perfect: I have spoken

Ongoing action

Continuous: I am speaking

Explanation

Partitive & Quantitative Expressions

Intermediate

How languages express a part of a whole in Spanish, English and Chinese.

Some of the water

some of the water / a little water

One of my friends

one of my friends

A piece of cake

a piece of cake

Explanation

Passive Voice

Intermediate

How the passive voice is formed and used in Spanish, English and Chinese.

Basic passive

be + past participle

Agent mentioned

by + agent

Passive frequency

Very common

Explanation

Phonology

Beginner

The sound systems of Spanish, English and Chinese: consonants, vowels, syllable structure, and phonotactics.

Vowel inventory

~12 pure + 8 diphthongs (complex, spelling-irregular)

Consonant inventory

~24 consonants; complex clusters: strengths /strɛŋkθs/

Syllable structure

CCCVCCCC: complex clusters (strengths, texts)

Explanation

Phrasal Verbs

Intermediate

How English verb-particle combinations contrast with Spanish and Chinese verb constructions.

Give up (surrender)

give up (separable phrasal verb)

Turn on the light

turn on the light (separable)

Turn off the light

turn off the light (separable)

Explanation

Plurals

Beginner

How nouns form their plural in Spanish, English and Chinese.

Regular plural

-s / -es (book → books)

Irregular plurals

Yes (man → men; child → children; tooth → teeth)

Plural agreement on articles

No (the / a)

Explanation

Por vs Para

Intermediate

The distinction between Spanish prepositions por and para and how English and Chinese express equivalent semantic relationships.

Cause / reason

because of, for

Recipient / beneficiary

for

Medium / transport

by, through

Explanation

Possession

Intermediate

How ownership and relationships are expressed in Spanish, English and Chinese.

Basic possession (John's book)

John's book

Possessive adjective (my)

my (invariable)

Possessive pronoun (mine)

mine (invariable)

Explanation

Predication

Intermediate

How Spanish, English and Chinese structure predicates around verbs, adjectives, and nouns.

John is tall (adjectival)

John is tall (copula required)

John is a teacher (nominal)

John is a teacher (copula required)

It rains (verbal, no argument)

It rains (expletive subject)

Explanation

Prepositions

Beginner

How prepositions work in Spanish, English and Chinese.

Location (in)

in / at

Destination (to)

to

Origin (from)

from

Explanation

Preterite vs Imperfect

Beginner

The distinction between Spanish past tenses and how English and Chinese express completed versus ongoing past actions.

Completed action

simple past

Habitual past

used to / would

Ongoing interrupted action

past progressive + simple past

Explanation

Pro-Drop

Intermediate

How Spanish, English and Chinese omit subject pronouns in finite clauses.

I speak Spanish

I speak Spanish — I required

He speaks Spanish

He speaks Spanish — he required

It is raining

It is raining — expletive it required

Explanation

Pro-Verbs & Verb Substitution

Intermediate

How languages substitute for a repeated or understood verb phrase in Spanish, English and Chinese.

I like it and so does he

I like it and so does he

I went and he did too

I went and he did too

Do you like it? Yes, I do.

Do you like it? Yes, I do.

Explanation

Prohibitives & Negative Commands

Beginner

How languages express commands not to do something in Spanish, English and Chinese.

Don't go!

Don't go!

Don't touch!

Don't touch!

No smoking

No smoking / Smoking prohibited

Explanation

Pronouns

Beginner

How personal, possessive, and demonstrative pronouns work in Spanish, English and Chinese.

First person singular

I

Second person singular (informal)

you

Second person singular (formal)

you

Explanation

Punctuation

Beginner

How Spanish, English and Chinese use marks to structure written text.

Sentence end (statement)

. (period)

Sentence end (question)

? (question mark)

Sentence end (exclamation)

! (exclamation mark)

Explanation

Quantifiers

Intermediate

How quantity and scope are expressed in Spanish, English and Chinese.

All

all / every / each

Some

some / a few / several

Any

any (free-choice & NPI)

Explanation

Question Tags & Echo Responses

Intermediate

How speakers seek confirmation, express doubt, or echo statements in Spanish, English and Chinese.

You're coming, aren't you?

You're coming, aren't you?

He's not here, is he?

He's not here, is he?

You understand, right?

You understand, right? / You understand, don't you?

Explanation

Questions

Beginner

How yes/no and wh-questions are formed in Spanish, English and Chinese.

Yes/no question

Are you coming? / Do you come?

Wh-question (what)

What do you want?

Question word order

Auxiliary + subject + verb

Explanation

Reciprocal Constructions

Intermediate

How mutual actions are expressed in Spanish, English and Chinese.

They love each other

They love each other / one another

They hit each other

They hit each other

We help each other

We help each other

Explanation

Reduplication

Advanced

Learn how Reduplicación works in Spanish, English and Chinese.

Verbo: echar un vistazo

take a look / have a look

Adjetivo: muy rojo

very red / bright red

Adjetivo: de todo tipo

all kinds of / all sorts of

Explanation

Reflexive Verbs

Intermediate

How reflexive verbs express actions done to oneself in Spanish, English and Chinese.

True reflexive (I wash myself)

I wash myself

Reciprocal (They love each other)

they love each other

Inherent reflexive (to fall asleep)

I fall asleep (no reflexive)

Explanation

Register & Formality

Beginner

How Spanish, English and Chinese vary language according to social context.

You (singular informal)

you (universal) — no distinction

Hello

hello / hi / hey (informal)

Goodbye

goodbye / bye / see ya (informal)

Explanation

Relative Clauses

Intermediate

How relative clauses modify nouns in Spanish, English and Chinese.

Subject relative (The man who came)

The man who/that came

Object relative (The book that I read)

The book that/which I read

Relativized subject kept

Yes (The man who came)

Explanation

Relative Time Expressions

Intermediate

Learn how Expresiones de Tiempo Relativo works in Spanish, English and Chinese.

Ya comí

I already ate / I have already eaten

Todavía no como / Aún no he comido

I haven't eaten yet

Todavía estoy comiendo / Aún como

I'm still eating

Explanation

Reported Speech

Intermediate

How direct speech is converted to indirect speech in Spanish, English and Chinese.

Direct: 'I am tired'

Direct: 'I am tired'

Reported: He said he was tired

He said he was tired (past simple)

Direct: 'I will go'

Direct: 'I will go'

Explanation

Result Clauses

Intermediate

How to express consequences and degrees in Spanish, English and Chinese.

So tall that...

so tall that...

So fast that...

so fast that...

Such a good book that...

such a good book that...

Explanation

Semantic Roles

Advanced

How Spanish, English and Chinese encode who does what to whom in a sentence.

John broke the vase (agent + patient)

John broke the vase (agent = subject, patient = object)

The vase broke (patient = subject)

The vase broke (patient = subject)

John saw Mary (experiencer + stimulus)

John saw Mary (experiencer = subject)

Explanation

Sentence Types

Advanced

How Spanish, English and Chinese form declarative, interrogative, imperative, and exclamatory sentences.

Declarative (statement)

John reads a book. (SVO, falling intonation)

Yes/No question

Does John read a book? (auxiliary do, ?)

Wh-question

What is John reading? (wh-movement, auxiliary inversion)

Explanation

Sentence-Final Particles

Advanced

How Spanish, English and Chinese mark sentence tone, attitude and illocutionary force at the end of utterances.

Yes/no question

Rising intonation / ...right?

Suggestion / soft command

...okay? / Let's..., shall we?

Surprise / realization

...really?! / Oh!

Explanation

Ser vs Estar

Beginner

The fundamental distinction between Spanish copulative verbs and how English and Chinese handle equivalent meanings.

Permanent identity

to be

Physical location

to be

Temporary condition

to be

Explanation

Serial Verb Constructions

Intermediate

How multiple verbs combine in a single clause in Spanish, English and Chinese.

Go buy something

Go and buy / Go buy

Come take a look

Come and see / Come see

Give him a book

I give him a book

Explanation

Sounds & Interjections

Advanced

How sounds, interjections and expressive words work in Spanish, English and Chinese.

Dog barking

woof woof / bow wow

Cat meowing

meow

Rooster crowing

cock-a-doodle-doo

Explanation

Speech Acts

Advanced

How Spanish, English and Chinese perform actions through language — promising, requesting, apologizing, and more.

Request (direct)

Give me the book

Request (polite)

Could you give me the book? / Would you mind giving me the book?

Apology

I'm sorry / I apologize / Excuse me

Explanation

Spelling & Writing Systems

Beginner

How Spanish, English and Chinese represent language in writing.

Alphabet type

Latin alphabet, 26 letters

Phoneme-grapheme correspondence

Deep orthography: rough, through, bough, cough, dough (5 pronunciations of -ough)

Spelling reform attempts

None official; Webster simplified some spellings (color/colour)

Explanation

Subjunctive Mood

Intermediate

Learn how Modo Subjuntivo works in Spanish, English and Chinese.

Duda/incertidumbre

It may rain (modal + verbo base)

Deseo/anhelo

I want you to come (infinitivo)

Contrario a la realidad (presente)

If I were rich, I would travel (were)

Explanation

Subordination

Intermediate

How Spanish, English and Chinese embed clauses within larger structures.

I think that he came

I think that he came (that + finite clause)

I want him to leave

I want him to leave (for-to / ECM)

Because it rained, I stayed

Because it rained, I stayed

Explanation

Superlatives

Beginner

How Spanish, English and Chinese express the highest degree of comparison.

The tallest

the tallest (-est suffix)

The most interesting

the most interesting (most + adjective)

The least important

the least important

Explanation

Syntax & Constituents

Intermediate

How Spanish, English and Chinese organize words into phrases, clauses, and sentences.

The student reads a book

The student reads a book (SVO)

A book the student reads (topic fronting)

A book the student reads (marked, cleft-like)

The tall student quickly reads the book

The tall student quickly reads the book

Explanation

Temporal Clauses

Intermediate

How time relationships are expressed in subordinate clauses in Spanish, English and Chinese.

When I arrived

When I arrived

Before I leave

Before I leave

After he came

After he came

Explanation

Time & Dates

Intermediate

How to express time, days, months, years and duration in Spanish, English and Chinese.

What time is it?

What time is it?

It is 3:15

It's three fifteen / quarter past three

Today is Monday

Today is Monday

Explanation

Topic vs Subject Prominence

Intermediate

How Spanish, English and Chinese organize sentences around topics or subjects.

Basic sentence structure

Subject-prominent (SVO)

It's raining

It is raining (dummy subject)

This book, I've read

This book, I've read it (left-dislocation)

Explanation

Topic-Comment Structure

Intermediate

How information is organized into topic and comment in Spanish, English and Chinese.

Basic word order

Strict SVO

This book, I like

This book I like / I like this book

Money, I have; time, I don't

Money I have; time I don't

Explanation

Transitivity & Argument Structure

Intermediate

How verbs take objects, drop them, or shift between transitive and intransitive uses in Spanish, English and Chinese.

I broke the vase / The vase broke

I broke the vase / The vase broke

I eat rice / I eat

I eat rice / I eat

I read books / I read

I read books / I read

Explanation

Valency & Argument Structure

Intermediate

How Spanish, English and Chinese distinguish transitive, intransitive, and ditransitive verbs.

Sleep (intransitive: 1 argument)

John sleeps (subject only)

Read a book (transitive: 2 arguments)

John reads a book (subject + direct object)

Give Mary a book (ditransitive: 3 arguments)

John gives Mary a book (S + IO + DO) / John gives a book to Mary

Explanation

Verb Complementation

Intermediate

What verbs require infinitives, gerunds, or clauses as objects in Spanish, English and Chinese.

I want to leave

I want to leave (to-infinitive)

I enjoy swimming

I enjoy swimming (gerund)

I decided to stay

I decided to stay (to-infinitive)

Explanation

Verb Tenses

Beginner

How past, present and future are expressed in Spanish, English and Chinese.

Simple present

I speak / he speaks

Simple past

I spoke / he spoke

Simple future

I will speak

Explanation

Vocative & Direct Address

Beginner

How languages directly address people, get attention, and use names in Spanish, English and Chinese.

María, come here!

María, come here!

Excuse me (getting attention)

Excuse me / Hey / Pardon

Sir / Madam

sir / ma'am / miss

Explanation

Vowels

Beginner

The vowel inventories and phonological patterns of Spanish, English and Chinese.

Pure vowel count

12+ (plus schwa and r-colored vowels)

Diphthongs

Many (ai, ei, au, ou, iə, eə, uə, etc.)

Vowel length contrast

Yes (beet vs bit, boot vs put)

Explanation

Wh-Movement

Advanced

How Spanish, English and Chinese form questions by moving or placing wh-words.

What are you reading?

What are you reading? (what moved to front + auxiliary inversion)

Who came?

Who came? (who = subject, no inversion)

Where did he go?

Where did he go? (where moved + did-insertion)

Explanation

Wishes & Hypotheticals

Intermediate

How unreal, wished-for, and imagined situations are expressed in Spanish, English and Chinese.

I wish I were rich

I wish I were rich

I wish he would come

I wish he would come

If only I had studied

If only I had studied / I wish I had studied

Explanation

Word Formation

Intermediate

How new words are created through affixation, compounding, and conversion in Spanish, English and Chinese.

Unhappy

unhappy (prefix un-)

Happiness

happiness (suffix -ness)

Teacher

teach + er (agentive suffix)

Explanation

Word Order

Beginner

How sentences are structured in Spanish, English and Chinese.

Basic order

Strict SVO

Subject omission

No (subject always required)

Adjective position

Before noun

Explanation

Yes-No Questions

Beginner

Learn how Preguntas Sí/No works in Spanish, English and Chinese.

¿Vienes?

Do you come? / Are you coming? (do-support)

¿Es esto un libro?

Is this a book? (inversión copulativa)

¿Te gusta?

Do you like it?

Explanation