Grammar Rules

Master the essential rules of English grammar with clear explanations and practical examples.

Improve your understanding of sentence structure, verb tenses, and more to communicate effectively and confidently.

Verb Tenses - B1

Verb Tenses Structure Example
Present Simple Subject + Verb (base form) I work every day.
Present Continuous Subject + am / is / are + Verb-ing I am working right now.
Present Perfect Subject + have / has + Past Participle I have worked here for five years.
Present Perfect Continuous Subject + have / has been + Verb-ing I have been working for two hours.
Past Simple Subject + Verb (past form) I worked yesterday.
Past Continuous Subject + was / were + Verb-ing I was working when you called.
Past Perfect Subject + had + Past Participle I had worked before you arrived.
Past Perfect Continuous Subject + had been + Verb-ing I had been working for two hours when she called.
Future Simple Subject + will + Verb (base form) I will work tomorrow.
Future Continuous Subject + will be + Verb-ing I will be working at 8 PM.
Future Perfect Subject + will have + Past Participle I will have finished by the time you arrive.
Future Perfect Continuous Subject + will have been + Verb-ing By next month, I will have been working here for 5 years.

Modals & Auxiliary Verbs

Modals Verbs

Modals verbs are special verbs that work with a main verb to express ability, possibility, permission, advice, obligation, or necessity.
They don’t change with subjects and are followed by the base form of the verb.

Structure: Subject + Modal Verb + Base Verb

Can / Could

Use: Ability, permission, requests.

Can / Could

Examples:
-I can speak French.
-Could you help me, please?

May / Might

Use: Possibility.

May / Might

Examples:
-It may snow tomorrow.
-She might be late.

Must

Use: Strong obligation, logical conclusion.

Must

Examples:
-You must wear a helmet.
-He must be tired after the trip.

Should

Use: Advice, recommendation.

Should

Examples:
-You should eat more vegetables.
-They should call their parents.

Would

Use: Politeness, imaginary or future situations.

Would

Examples:
-I would love a cup of tea.
-What would you do in my place?

Auxiliary Verbs

Auxiliary verbs help to form tenses, questions, negatives, and emphasize statements.

Be

Use: Continuous tenses, passive voice.

Be

Examples:
-She is reading a book.
-The cake was made yesterday.

Do

Use: Questions, negatives, emphasis.

Do

Examples:
-Do you like music?
-I don’t understand.
-I do want to go!

Have

Use: Perfect tenses.

Have

Examples:
-They have finished the project.
-He has never been to London.

Conditionals & Passive Voice

Conditionals

Zero Conditional

Used for general facts or universal truths.

Structure:
    If + present simple, present simple

Example:
    -If you heat water to 100ºC, it boils.

First Conditional

Used for real or possible situations in the future.

Structure:
    If + present simple, will + verb

Example:
    -If it rains tomorrow, we will stay at home.

Second Conditional

Used for hypothetical or unlikely situations in the present or future.

Structure:
    If + past simple, would + verb

Example:
    -If I had more time, I would learn French.

Third Conditional

Used for imaginary situations in the past (things that didn’t happen).

Structure:
    If + past perfect, would have + past participle

Example:
    -If she had studied, she would have passed the exam.

Passive Voice

The passive voice is used when the doer of the action is unknown or not important.

Structure: Subject + to be + past participle (+ by agent)
(verb to be in the same tense as the active voice)

Present Simple – Passive

Structure:
    am / is / are + past participle

Examples:
    -Active: The chef cooks the meal.
    -Passive: The meal is cooked by the chef.

Present Continuous – Passive

Structure:
    am / is / are being + past participle

Examples:
    -Active: She is painting the house.
    -Passive: The house is being painted by her.

Past Simple – Passive

Structure:
    was / were + past participle

Examples:
    -Active: They cleaned the room.
    -Passive: The room was cleaned by them.

Past Continuous – Passive

Structure:
    was / were being + past participle

Examples:
    -Active: They were fixing the road.
    -Passive: The road was being fixed by them.

Future Simple – Passive

Structure:
    will be + past participle

Examples:
    -Active: The company will launch a new product.
    -Passive: A new product will be launched by the company.

Future Continuous – Passive

Structure:
    will be being + past participle

Examples:
    -Active: The team will be completing the project.
    -Passive: The project will be being completed by the team.

By + Agent

In passive sentences, the person who performs the action is often omitted unless it's important.

Examples:
    -Passive with agent: The letter was written by John.
    -Passive without agent: The letter was written.