990prep mascot 990prep

Fichas de gramática

Fichas interactivas de repaso de gramática para el TOEIC®

Tema:
A/An and Some (Countable Nouns)

When to use a/an, some, or nothing before countable nouns

Artículos
A/An and The

When to use a/an for new information and the for specific or known things

Artículos
A Friend of Mine / My Own House / On My Own

Using possessive pronouns with 'of', 'own' for exclusive possession, and 'on my own / by myself' for doing things alone

Cuantificadores
Adjective Order: a nice new house

How to stack multiple adjectives before a noun in the right order

Adjetivo vs. adverbio
Adjective + Preposition 1

Common adjective + preposition combinations: of, to, about, with, at, by, and for

Expresiones frasales y fijas
Adjective + Preposition 2

Common adjective + preposition combinations with of, at, to, from, in, on, with, and for

Expresiones frasales y fijas
Adjective + to ...

Using adjectives with to-infinitive: hard to understand, nice of you to help, glad to hear, bound to happen

Formas verbales
Adjectives and Adverbs 1 (quick/quickly)

When to use adjectives vs. adverbs, forming adverbs with -ly, and using adverbs to modify adjectives and past participles

Adjetivo vs. adverbio
Adjectives and Adverbs 2 (good/well, fast/hard/lately, hardly)

Using good vs. well, words that are both adjectives and adverbs, and the difference between hard and hardly

Adjetivo vs. adverbio
Afraid to Do and Afraid of -ing

Choosing between to-infinitive and preposition + -ing after adjectives like afraid, interested, and sorry

Formas verbales
All / Every / Whole

Choosing between all, every, and whole to talk about complete groups, frequency, and entirety

Cuantificadores
All / Most / Some / Any / No / None

Using quantifiers like all, most, some, any, no, and none — with and without 'of'

Cuantificadores
Although / Though / Even Though / In Spite Of / Despite

Expressing contrast with although, though, even though, in spite of, and despite

Conjunciones subordinantes
As if / As though / Like

Using like, as if, and as though to describe how things look, sound, or feel

Conjunciones subordinantes
As (Reason and Time)

Using as to mean 'at the same time as' or 'because', and choosing between as and when

Conjunciones subordinantes
At, On, In (Time)

Choosing at, on, or in when talking about times, days, dates, months, and longer periods

Conjunciones subordinantes
Auxiliary Verbs

Using have/do/can etc. in short answers, tag responses, and I think so / I hope so

Orden de palabras y estructura oracional
Be/Get Used To (I'm used to …)

Using be used to and get used to for things that are familiar or becoming familiar

Formas verbales
Both / Either / Neither

Using both, either, and neither to talk about two things, including paired conjunctions

Cuantificadores
By and Until / By the time...

Using by for deadlines, until for duration, and by the time for completed actions

Conjunciones subordinantes
Can, Could and (be) able to

Expressing ability in the present, past, and other tenses

Verbos modales
Comparison 1 (cheaper, more expensive etc.)

Forming comparatives with -er and more, plus irregular forms like better and worse

Adjetivo vs. adverbio
Comparatives 2 (much better / any better / better and better etc.)

Using modifiers with comparatives, repeated comparatives for continuous change, and the ... the ... structure

Adjetivo vs. adverbio
Comparative 3 (as...as / than)

Using as...as, not as...as, less than, the same as, and pronoun forms after than

Adjetivo vs. adverbio
Could (do) and Could have (done)

Using could for present possibility and could have for past possibility

Verbos modales
Countable and Uncountable Nouns 1

Telling apart countable and uncountable nouns and using the right determiners with each

Artículos
Countable and Uncountable Nouns 2

Nouns that change meaning between countable and uncountable, plus common uncountable nouns used in the workplace

Artículos
Each and Every

How to choose between each and every when referring to individual items or a whole group

Cuantificadores
Enough and Too

Using enough and too to say whether something is more or less than needed

Adjetivo vs. adverbio
Even

Using even to express surprise, with comparatives, and in even though / even if structures

Adjetivo vs. adverbio
Expressions with -ing (there's no point in -ing, it's worth -ing, etc.)

Common expressions followed by -ing: no point in, worth, have difficulty, spend time, go -ing

Formas verbales
For and Since

Using for with periods and since with points in time

Tiempos verbales
For, During, and While

Choosing between for, during, and while to talk about periods of time and simultaneous events

Conjunciones subordinantes
I'm going to (do)

Using going to for plans, intentions, and predictions based on evidence

Tiempos verbales
Had better / It's time

Using had better for urgent advice and it's time for things that should happen now

Verbos modales
Have and Have Got

The difference between have and have got for possession, illness, and more

Tiempos verbales
Have Something Done

Using have/get + object + past participle for services and things done by others

Voz activa vs. voz pasiva
Have to and Must

The difference between have to (external obligation) and must (personal/strong obligation)

Verbos modales
How long have you (been) ...?

Asking and answering about duration with the present perfect

Tiempos verbales
If I do ... and If I did ...

Real conditionals (if + present) vs unreal conditionals (if + past)

Oraciones condicionales
If I had known ... / I wish I had known ...

Third conditional and wish + past perfect for unreal past situations

Oraciones condicionales
If I knew ... / I wish I knew ...

Second conditional and wish + past simple for unreal present situations

Oraciones condicionales
In, At, On (Position 1)

Using in, at, and on to describe where something or someone is located

Conjunciones subordinantes
In, At, On (Position 2)

Choosing in, at, or on for rows, floors, corners, pages, and other specific positions

Conjunciones subordinantes
In, At, On (Position 3)

Using in, at and on to talk about places, buildings, transport and events

Conjunciones subordinantes
In Case

Using in case to explain why you do something as a precaution, and how it differs from if

Conjunciones subordinantes
IN, ON, AT - The Preposition Pyramid

Master the three most confusing prepositions with an interactive visual guide

Preposiciones de tiempo
Adjectives Ending in -ing and -ed (boring/bored etc.)

Choosing between -ing adjectives (for things) and -ed adjectives (for feelings)

Adjetivo vs. adverbio
-ing and -ed Clauses (a woman talking…, the boy injured…)

Using participle clauses to describe people and things without a full relative clause

Cláusulas relativas
-ing Clauses (He hurt his knee playing football.)

Using -ing clauses for simultaneous actions, sequencing with having done, and giving reasons

Formas verbales
It is said that ... / He is supposed to ...

Impersonal passive structures and be supposed to

Voz activa vs. voz pasiva
Like and As

Choosing between like (preposition) and as (conjunction and preposition) in comparisons and roles

Conjunciones subordinantes
May and Might 1

Using may and might to talk about present and future possibility

Verbos modales
May and Might 2

May/might for future possibility, might in unreal situations, continuous forms, and might as well

Verbos modales
Much, Many, Little, Few, A Lot, Plenty

Choosing the right quantifier for countable and uncountable nouns

Cuantificadores
Must and Can't

Using must and can't for logical deductions about what is certainly or impossibly true

Verbos modales
must / mustn't / needn't

Using must for necessity, mustn't for prohibition, and needn't for things that are not necessary

Verbos modales
Names With and Without the (1)

When to use or omit 'the' with geographic names, titles, and proper nouns

Artículos
Names with and without the (2)

When to use 'the' with streets, buildings, organisations, and shops

Artículos
No, None, and Any (+ nothing/nobody/nowhere)

Using no, none, any, nothing, nobody, and nowhere correctly in sentences

Cuantificadores
Noun + Noun (a bus stop, a tennis ball)

How to combine two nouns to describe one thing, and when the first noun stays singular

Artículos
Noun + Preposition (by)

How to use by for transport, methods, the passive, position, and differences

Expresiones frasales y fijas
In, On, At (Other Uses)

Fixed preposition phrases for weather, media, travel, speed, and common expressions used in everyday and workplace English

Conjunciones subordinantes
On Time / In Time, At the End / In the End

Know when to use on time vs. in time and at the end vs. in the end — four expressions that sound similar but mean different things

Conjunciones subordinantes
Passive 3

Born, get + passive, and verbs with two objects in the passive

Voz activa vs. voz pasiva
Passive 2 (be done / been done / being done)

The passive with infinitives, present perfect, and continuous forms

Voz activa vs. voz pasiva
Passive 1 (is done / was done)

Forming and using the passive in present and past simple

Voz activa vs. voz pasiva
Past Continuous (I was doing)

Actions in progress at a past time, interrupted actions, and parallel actions

Tiempos verbales
Past Perfect Continuous (I had been doing)

Describing how long something had been happening before another past event

Tiempos verbales
Past Perfect (I had done)

Talking about something that happened before another past event

Tiempos verbales
Past Simple (I did)

Regular and irregular past forms, negatives and questions with did

Tiempos verbales
Phrasal Verbs 1: Introduction

What phrasal verbs are, how to form them, and where to place the object

Verbos frasales comunes
Phrasal Verbs 2: in/out

Master phrasal verbs with in and out — drop in, fill in, eat out, leave out, and more

Verbos frasales comunes
Phrasal Verbs 3 — out

Common phrasal verbs with out: go out, work out, carry out, find out, run out, sort out, and more

Verbos frasales comunes
Phrasal Verbs 4 – on/off (1)

Using on and off with verbs for lights, machines, events, clothes, and movement

Verbos frasales comunes
Phrasal Verbs 5 — on/off (2)

Using phrasal verbs with on and off to talk about continuing, progressing, and stopping

Verbos frasales comunes
Phrasal Verbs 6 – up/down

Master phrasal verbs with up and down: physical movement, destruction, reduction, and common workplace expressions

Verbos frasales comunes
Phrasal Verbs 7 – up (1)

Learn phrasal verbs with 'up' for approaching, starting, growing, finishing, and more – with workplace examples

Verbos frasales comunes
Phrasal Verbs 8: More Verbs + Up (2)

Common phrasal verbs with up — bring up, come up with, make up, cheer up, blow up, split up, do up, look up, put up with, hold up, mix up

Verbos frasales comunes
Phrasal Verbs 9: away / back

Using phrasal verbs with away and back to talk about leaving, returning, and common workplace actions

Verbos frasales comunes
's and of (Possession)

When to use apostrophe-s and when to use of to show possession

Artículos
Prefer and Would rather

Expressing preferences with prefer, would prefer, and would rather

Formas verbales
Preposition + -ing

Using -ing forms after prepositions like in, for, about, of, without, before, after

Formas verbales
Present Continuous and Present Simple 1

Comparing I am doing and I do — when to use each form

Tiempos verbales
Present Continuous and Present Simple 2

Stative verbs, think/see/feel, and is being + adjective

Tiempos verbales
Present Continuous (I am doing)

Using am/is/are + -ing for actions happening now and around now

Tiempos verbales
Present Perfect 1 (I have done)

Connecting the past to the present with have/has + past participle

Tiempos verbales
Present Perfect 2 (I have done)

Just, already, yet, and the present perfect for life experiences

Tiempos verbales
Present Perfect Continuous and Simple

Choosing between I have been doing and I have done

Tiempos verbales
Present Perfect Continuous (I have been doing)

Actions that started in the past and are still happening or have just stopped

Tiempos verbales
Present Perfect and Past 1

When to use I have done vs I did — finished time vs unfinished time

Tiempos verbales
Present Perfect and Past 2

More on choosing between present perfect and past simple

Tiempos verbales
Present Simple (I do)

Using the present simple for facts, habits, and repeated actions

Tiempos verbales
Present Tenses for the Future

Using I am doing and I do to talk about future plans and schedules

Tiempos verbales
Question Tags

Forming and using question tags like isn't it?, do you?, haven't they?

Orden de palabras y estructura oracional
Questions 1

Forming questions with do/does/did, be, have, and question words

Orden de palabras y estructura oracional
Questions 2

Embedded questions with do you know where, and negative questions

Orden de palabras y estructura oracional
Quite, Pretty, Rather, and Fairly

How to use quite, pretty, rather, and fairly to express different degrees of intensity

Adjetivo vs. adverbio
myself/yourself/themselves etc. (Reflexive Pronouns)

Using reflexive pronouns when subject and object are the same person, and for emphasis

Cuantificadores
Relative Clauses: Extra Information (1)

Using who, which, whose, and where in non-defining relative clauses to add extra details

Cláusulas relativas
Relative Clauses: Extra Information (2)

Using preposition + whom/which, quantifiers like all of whom/which, and which to refer to a whole clause

Cláusulas relativas
Relative Clauses 1: who/that/which

Using who, that, and which to add information about people and things in a sentence

Cláusulas relativas
Relative Clauses 2: Omitting who/that/which

When you can drop the relative pronoun and when you must keep it

Cláusulas relativas
Relative Clauses 3: whose / whom / where

Using whose for possession, whom in formal contexts, and where for places in relative clauses

Cláusulas relativas
Reported Speech 1

Reporting what people said using say and tell with tense changes

Estilo indirecto
Reported Speech 2

Reported questions, told/asked somebody to do, and say vs tell

Estilo indirecto
Requests, Offers, Permission and Invitations

Using can, could, would, shall, and may for polite communication

Verbos modales
See Somebody Do and See Somebody Doing

Choosing between the base form and -ing form after perception verbs like see, hear, watch, and feel

Formas verbales
Should 1

Using should for advice, opinions, and what is right or expected

Verbos modales
Should 2

Should have done, and should after suggest/insist/demand

Verbos modales
Singular and Plural

Nouns that look plural but act singular, group nouns that take plural verbs, and sums treated as one thing

Artículos
So and Such

Using so with adjectives/adverbs and such with nouns to add emphasis

Adjetivo vs. adverbio
Some and Any

Choosing between some and any in positive, negative, and question sentences

Cuantificadores
Still, Any More, Yet, Already

Using still, any more, yet, and already to describe whether situations have changed or continue

Adjetivo vs. adverbio
Superlatives (the longest / the most enjoyable etc.)

Forming and using superlative adjectives with -est and most, including prepositions and common patterns

Adjetivo vs. adverbio
The Tenses Timeline

See the 8 English tenses on a timeline, learn when to use each one, and practice with TOEIC questions

Tiempos verbales
The 1 (the sun / the sky / the same)

When to use 'the' with unique things, superlatives, everyday nouns like the sky, and when to drop it

Artículos
The 2 (school / the school etc.)

When to drop 'the' before places like school, hospital, prison, and work

Artículos
The 3 (general vs. specific — children / the children)

When to drop 'the' for general statements and when to keep it for specific things

Artículos
The 4 (names with and without the)

Using the to talk about types of things, the + adjective for groups of people, and the with nationalities

Artículos
There ... and It ...

When to use 'there' to introduce something new and 'it' to refer to something specific

Cuantificadores
to, at, in and into

Choosing the right preposition for movement, position, and entering places

Conjunciones subordinantes
to ..., for ..., and so that

Expressing purpose with to + verb, for + noun, for + -ing, and so that + clause

Formas verbales
Unless / As Long As / Provided

Using unless, as long as, so long as, provided, and providing to express conditions

Conjunciones subordinantes
Used to (do)

Talking about past habits and states that are no longer true

Tiempos verbales
Verb + -ing or to ... 1

Remember, regret, and go on — how meaning changes with -ing vs to

Formas verbales
Verb + -ing or to ... 2

Try, need, and help — different patterns and meanings

Formas verbales
Verb + -ing or to ... 3

Like, love, hate, would like, would love, would hate, and would mind

Formas verbales
Verb (+ object) + to ...

Want somebody to, tell somebody to, and other verb + object + to patterns

Formas verbales
Verb + -ing

Verbs followed by -ing: enjoy doing, stop doing, suggest doing, and more

Formas verbales
Verb + Preposition 1 (to and at)

Learn which verbs take 'to' and which take 'at', and common mistakes to avoid with verbs like explain, listen, look, and throw

Expresiones frasales y fijas
Verb + Preposition 2 (about / for / of / after)

Common verb + preposition combinations with about, for, of, and after, including care about vs. care for, and look for vs. look after

Expresiones frasales y fijas
Verb + Preposition 3: about and of

How to choose between about and of after hear, think, dream, complain, and remind

Expresiones frasales y fijas
Verb + Preposition 4 (of / for / from / on)

Common verb + preposition combinations with of, for, from, and on used in everyday and workplace English

Expresiones frasales y fijas
Verb + Preposition 5 (in/into/with/to/on)

Common verb + preposition combinations with in, into, with, to, and on for workplace communication

Expresiones frasales y fijas
Verb + to ...

Verbs followed by to + infinitive: decide to, forget to, promise to, and more

Formas verbales
Verb + Preposition + -ing

Using the -ing form after verb + preposition combinations like succeed in, insist on, accuse of

Formas verbales
When I do / When I've done

Using present tenses after when, if, until, before, after, and as soon as for future meaning

Tiempos verbales
Will and Shall 1

Using will for decisions, offers, promises, and predictions

Tiempos verbales
Will and Shall 2

Will for predictions, certainty, and shall in offers and suggestions

Tiempos verbales
Will be doing and Will have done

Future continuous and future perfect for actions in progress and completed by a time

Tiempos verbales
I will and I'm going to

Choosing between will and going to for future events

Tiempos verbales
Wish

Wish + would, wish + past simple, and wish + past perfect for different time frames

Oraciones condicionales
Word Order 2: Adverbs with the Verb

Where to place adverbs like always, usually, probably, and also in a sentence

Adjetivo vs. adverbio
Word Order 1: Verb + Object, Place and Time

Why the verb and object stay together, and how to order place and time in a sentence

Adjetivo vs. adverbio
Would

Using would for imaginary situations, past habits, and polite requests

Verbos modales
990prep

Your fastest path to a higher TOEIC score. Practice with professionally crafted mock tests.

Company

TOEIC® is a registered trademark of Educational Testing Service (ETS).
This website is not affiliated with or endorsed by Educational Testing Service.

© 2026 990prep. All rights reserved.