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English grammar rules and tips

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Grammar rules by category

You'll find the essential English grammar rules you need to know in order to improve your writing and speaking skills.

Each of our explanations include a grammar rule along with examples in order to help you understand how to use them.

List of grammar rules by category:

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Auxiliaries and modals

There are three auxiliaries in English: do, be and have. They are used to express the negative and interrogative forms and to form various tenses.

Modals, on the other hand, are used to express: permission, obligation, ability, advice, possibility...

Introduction to auxiliary verbs
Express necessity in future and past tenses
Other uses of would
To be
To be vs to have
To have
Modal auxiliaries in everyday English
Can
May
Might
Must
Must vs have to
Ought to
Should
Could
Expressing necessity with to have
Expressing possession with to have
To have meaning to take
Would
Would like
Would rather
Had better
Modal Auxiliary + have + past participle
Contractions: would vs had
Contractions: Aren't, Can't, I'd, You're

Note: "need" is also a modal, but its use as a modal is much less common.

Conjugation

Here, you will find some English grammar rules to help you understand the nuances between each tense. Conjugation is made easy thanks to Gymglish!

Conjugating to be
The -s in the 3rd person singular form
infinitive or -ing?
Present, past, and future
The present perfect
The simple past (preterit)
The future with be going to
The past perfect (or pluperfect)
The -ing verb form
The present progressive
The past progressive
The subjunctive present
Agreement in the future tense
Agreement of tenses in reported speech
Describing an action in progress
The subjunctive preterit
The forms of the subjunctive

Verbs

Irregular verbs, regular verbs... phrasal verbs? These guides will help you understand their meaning.

Be able to
Be about to
Be apt to
Be bound to and be bound for
Be due to
Be liable to
Be likely to
Be sure to
Have been and have gone
Isn't it
The main uses of to get
Verbs of perception
Let's
Need
So do I
To be finished
To be used to
To feel
To go
To have somebody do something
To make somebody do something
To make vs to do
To take
To want
Used to

Adjectives

Superlative or comparative: how and when to use them?

Comparatives
Construction of the comparative complement
Strengthening comparative constructions
Superlatives
Ordinal numbers
First

Forms

The interrogative form
Forming negative constructions
Forming negative interrogative constructions
The passive voice
Avoiding double negative constructions
Yes or no responses
Sentences beginning with negative expressions
Common question words
Neither do I
There is and there are
Using auxiliaries to express surprise
Situating an action in time using for, ago and since

Articles and pronouns

All and none
Big numbers
Both
Each, every, all
Few, little
Possession
Use of definite and indefinite articles
Variations on some, every, no, and any
The demonstratives
Most
Much vs many
Relative words with -ever
Personal, reflexive and emphatic pronouns
Relative words
Some and any
Which
Whose

Adverbs et conjunctions

All
Always
As
Away
Either and neither
Even
Ever vs never
Hardly, barely
No longer
Over
Possibly
Since
So far
So much, so many
So that
Sort of, kind of
Still and yet
Too
Up, down
While

Prepositions

About
After and before
At all
From
If, at all
In, out
Prepositions of place
Prepositions of time
The preposition like
On, off
Out of
Through
To

Further reading

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