English Grammar Reference Lessons

English Grammar Reference Lessons

This is a list of grammar lessons arranged in different categories:

1. English tenses,
2. clauses,
3. other grammar points.

Study the lessons and Enjoy learning!

Review of English tenses

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This is a review of the English tenses. The table is provided to help recall the form and use of the different English tenses studied in previous lessons.

Simple Present
Affirmative	She drinks.
Negative	She does not drink.
Interrogative	Does she drink?
Form	I, you we they play | he, she, it plays
Uses	action in the present taking place once, never or several times facts actions taking place one after another action set by a timetable or schedule

Present Progressive
Affirmative	He is reading.
Negative	He is not reading.
Interrogative	Is he reading?
Form	To be (in the simple present) + verb + ing
Uses	action taking place at the moment of speaking action arranged for the future

Simple Past
Affirmative	I cried.
Negative	I did not cry
Interrogative	Did I cry?
Form	Regular verbs: Verb + ed | Irregular verbs: forms differ and should be learned by heart. This is a list of irregular verbs
Uses	action in the past taking place once, never or several times actions taking place one after another

Past Progressive
Affirmative	He was driving.
Negative	He was not driving.
Interrogative	Was he driving?
Form	to be (in the simple past) + verb + ing
Uses	action going on at a certain time in the past actions taking place at the same time action in the past that is interrupted by another action

Present Perfect Simple
Affirmative	They have slept.
Negative	They have not slept.
Interrogative	Have they slept?
Form	Have / has + past participle (past participle of regular verbs: verb + ed | Past participle of irregular verbs: forms differ and should be learned by heart. This is a list of irregular verbs)
Uses	emphasis is on the result (not the duration) action that started in the past & is still going on action that stopped recently finished action that has an influence on the present

Present Perfect Progressive
Affirmative	He has been thinking.
Negative	He has not been thinking.
Interrogative	Has he been thinking?
Form	have or has + been + verb + ing
Uses	putting emphasis on the course or duration (not the result) action that recently stopped or is still going on finished action that influenced the present

Past Perfect Simple
Affirmative	She had won.
Negative	She had not won.
Interrogative	Had she won?
Form	had + past participle (past participle of regular verbs: verb + ed | Past participle of irregular verbs: forms differ and should be learned by heart. This is a list of irregular verbs)
Uses	action taking place before a certain time in the past sometimes interchangeable with past perfect progressive putting emphasis only on the fact (not the duration)

Past Perfect Progressive
Affirmative	He had been waiting.
Negative	He had not been waiting.
Interrogative	Had he been waiting?
Form	had + been + verb + ing
Uses	action taking place before a certain time in the past sometimes interchangeable with past perfect simple putting emphasis on the duration or course of an action

Future Simple
Affirmative	You will win.
Negative	You will not win.
Interrogative	Will you win?
Form	will + verb
Uses	action in the future that cannot be influenced spontaneous decision assumption with regard to the future

Near Future (going to)
Affirmative	He is going to watch TV.
Negative	He is not going to watch TV.
Interrogative	Is he going to watch TV?
Form	to be (in the simple present) + going + to + verb
Uses	decision made for the future conclusion with regard to the future

Future  Progressive
Affirmative	She will be listening to music.
Negative	She will not be listening to music.
Interrogative	Will she be listening to music?
Form	will + be + verb + ing
Uses	action that is going on at a certain time in the future action that is sure to happen in the near future

Future Perfect
Affirmative	He will have spoken.
Negative	He will not have spoken.
Interrogative	Will he have spoken?
Form	will + have + past participle (past participle of regular verbs: verb + ed | Past participle of irregular verbs: forms differ and should be learned by heart. This is a list of irregular verbs)
Uses	action that will be finished at a certain time in the future

Future Perfect Progressive
Affirmative	You will have been studying.
Negative	You will not have been studying.
Interrogative	Will you have been studying?
Form	will + have + been + verb + ing
Uses	action taking place before a certain time in the future putting emphasis on the course of an action

Conditional Simple
Affirmative	We would relax.
Negative	We would not relax.
Interrogative	Would we relax ?
Form	would + verb
Uses	action that might take place

Conditional Progressive
Affirmative	He would be writing.
Negative	He would not be writing.
Interrogative	Would he be writing?
Form	would + be + verb + ing
Uses	action that might take place putting emphasis on the course / duration of the action

Conditional Perfect
Affirmative	He would have written.
Negative	He would not have written.
Interrogative	Would he have written?
Form	would + have + past participle (past participle of regular verbs: verb + ed | Past participle of irregular verbs: forms differ and should be learned by heart This is a list of irregular verbs)
Uses	action that might have taken place in the past

Conditional Perfect Progressive
Affirmative	She would have been sleeping.
Negative	She would not have sleeping speaking.
Interrogative	Would she have been sleeping?
Form	would + have + been + verb + ing
Uses	action that might have taken place in the past puts emphasis on the course / duration of the action

Examples of English Tenses

English tenses

These are examples of the English tenses. The table is provided to help you recall the different tenses studied in previous lessons. For more detailed explanations you should visit the Grammar Study Pages and study the different tenses.

Other links related to English tenses

Tenses | Forms and Explanations
Exercises on tenses.

Explanations	Present Simple
Action that is repeated every Friday. Habitual action.	I visit my uncle every Friday
Facts that are believed to be true. Generalizations	Cats hate mice. The sun rises in the morning.
Scheduled events in the near future	The plane takes off at 10 o'clock tonight

Explanations	Present Progressive
Action that takes place now / at the moment	I am working on my computer
Near future	I am leaving tomorrow

Explanations	Present Perfect
To talk about experiences	I have been to Italy.
Past action that has the result in the present.	She has read that book.
Action which started in the past and continued up to now.	I have lived in this town for 12 years.

Explanations	Present Perfect Progressive
To show that something started in the past and has continued up until now.	He has been sleeping for the last 3 hours
To talk about an action that started in the past and stopped recently.	The grass is wet because it has been raining all day long.
To talk about an action that started in the past and is continuing now.	I have been watching TV for 2 hours / since you left.

Explanations	Past Simple
Completed action in the past.	She left yesterday.
To talk about an action that started in the past and stopped recently.	She woke up, had a shower and left.
To talk about an action that started in the past and is continuing now.	If I had a million dollar, I would help the poor.
An action taking place in the middle of another action.	She was playing when the accident occurred.

Explanations	Past Progressive
Actions happening at the same time in the past.	He was reading a newspaper while his wife was preparing dinner.
Interrupted action in the past.	Sh was reading a book when the light went off, had a shower and left.

Explanations	Past Perfect Simple
Completed action before another action in the past.	She had left when I arrived.

Explanations	Past Perfect Progressive
To show that something started in the past and continued up until another action stopped it.	They had been playing soccer when the accident occurred
To show that something started in the past and continued up until another time in the past.	I had been living in that town for ten years before I moved to New York.
We use the Past Perfect Continuous before another action in the past to show cause and effect.	I was so tired. I had been working for 6 hours.

Explanations	Future  Simple
Instant decisions	I've left the door open; I'll close it.
We use the simple future , when we predict a future situation	She'll pass the exam. She's hardworking.
We use the simple future with: "I (don't) think...", "I expect...", "I am sure...", "I wonder...", "probably".	It will probably rain tonight
Conditional sentence type one	If I have enough time, I'll watch the film.

Explanations	Future Progressive
Action that will be taking place at some time in the future.	When you arrive, I'll be sleeping .

Explanations	Future Perfect
Completed action before another action in the past	By tomorrow, I will have finished the work.

Explanations	Future Perfect Progressive
It is used to show that an action will continue up until a particular event or time in the future.	She will have been working for over 8 hours by the time her children arrive.

 

The form and use of the imperative 

Form of the imperative

The imperative form is the same as the bare infinitive. It has only one form for both second person singular and plural 'you'
Examples:

• hurry up; you'll be late
• go out immediately

In the negative form you add 'do not' or 'don't'
Examples:

• Don't disturb me; I'm working.
• Do not smoke!

Use of the imperative

You can use the imperative to give instructions, commands, advice or to invite:

1. To give instructions

• Push the button
• Turn left

2. To give commands

• Stop saying nonesense
• don't lie.

3. To give advice

• Go to hospital; you are ill
• Tell her that you love her

4. To invite

• Please, come to the party
• Have a drink

Use of the emphatic do with the imperative

You can use 'do' before the imperative to emphasize what you want to say:
Example:

• Do write down your name.
• Do think of our offer.

 

The Simple present of the verb to be:

 

The simple present of the verb to be

This page will present the simple present of the verb to be:

• its form
• and its use

The verb to be

The verb to be is the most important verb in the English language.  It is difficult to use because it is an irregular verb in almost all of its forms.  In the simple present tense, to be is conjugated as follows:

Affirmative forms of the verb to be

Subject Pronouns	Full Form	Contracted Form
I	am	'm
you	are	're
he/she/it	is	's
we	are	're
you	are	're
they	are	're

Interrogative forms of the verb to be:

Am	I?
Are	you?
Is	he/she/it?
Are	we?
Are	you?
Are	they?

Negative Forms of the verb to be:

Subject Pronouns	Full Form	Contracted Form
I	am not	'm not
you	are not	aren't
he/she/it	is not	isn't
we	are not	aren't
you	are not	aren't
they	are not	aren't

Examples:

• Is Brad Pitt French?
• No, he isn't. He's American.
• What about Angelina Joli? Is she American, too?
• Yes, she is. She is American.
• Are brad Pitt and Angelina Joli French?
• No, They aren't. They are American.

Remember:

• I, you, he, she, it, you, they are subject pronouns (also called subject pronouns.)
• am, are, is are forms of the verb to be in the simple present.
• 'm, 're, 's are short (contracted) forms of  am, are, is
• 'm not, aren't, isn't are short (contracted forms) of am not, are not, is not
• Use the simple present tense to indicate:
  1. Routine actions, habits
  2. Facts
   

The simple present tense

This page will present the simple present tense:

• its form
• and its use.

Before you continue the lesson read the following passage and try to see how the verbs are formed and used.

James is a taxi driver. He drives a taxi. But on Sundays he doesn't drive his taxi. He stays at home. The verb be, drive, stay are in the simple present. (more on the simple present of the verb to be)

The forms of the simple present

The affirmative form of the simple present:

I, you, we, they	play.
He, she, it	plays.

Remember the verbs in the third person singular (he,she and it) always take an "s". For example, "he plays, she sings,it works..."
Examples:

• Nancy and James speak good German.
• Nancy works in a restaurant downtown.
• The children play in the garden every weekend.

The interrogative form of the simple present:

Do	I, you, we, they	play?
Does	he, she, it

Examples:

• Do you speak good German?
• Does Nancy work in a restaurant downtown?

The negative form of the simple present:

I, you, we,they	do not	play.
	don't
He, she, it	does not
	doesn't

Examples:

• No, I don't speak German.
• No, she doesn't work in a restaurant downtown

The use of the simple present:

The simple present is used:

• to give your opinion - I like ice cream. I don't like spicy food.
• to talk about schedules - The library opens at eight. It doesn't open at 7.
• to talk about daily habits (routine actions)- Sara eats a cheese for breakfast every day. She doesn't eat cereal.
• to give facts - The earth circles the sun. The moon doesn't circle the sun.

The spelling of the third person singular form of the simple present:

All the verbs take an "s" in the simple present when conjugated in the third person singular (he, she, it) form:

Examples:

• I visit my parents every summer holiday. But my wife visits her parents every weekend.
• My brother meets his girlfriend everyday.

So the rule is:

He / she / it + Verb + S

There are however some special cases. Here are the spelling rules:

Silent e	Vowel + y	Consonant + y	Verbs ending in o	Verbs ending in s, z, sh, tch, ch
close = closes note = notes	play = plays say = says	study = studies marry = marries	go = goes do = does	miss = misses buzz = buzzes hatch = hatches finish = finishes teach = teaches

Examples:

• She drives to work every morning.
• He says he plays football on the weekends

Exception:

• The verb to have changes its forms as follows:
  I have two sisters and two brothers. But she has one sister and two brothers.
  I have = he / she / it has

Things to remember about the simple present:

1.In the interrogative forms, we use "do" or "does".

• "Do you like the house?"
• "Does she go to school?"

2; Verbs never take an "s" in the the negative and interrogative forms.

• "Does he speak German?"
• "Do they play soccer?"
• She doesn't like ice cream.

3. don't is the short form of "do not". You can say either:

• I do not speak Italian, or
• I don't speak Italian.

4.doesn't is the short form of "does not". you can say either:

• He does not listen to jazz music, or
• He doesn't listen to jazz music.

The Simple Present

The simple present tense

This page will present the simple present tense:

• its form
• and its use.

Before you continue the lesson read the following passage and try to see how the verbs are formed and used.

James is a taxi driver. He drives a taxi. But on Sundays he doesn't drive his taxi. He stays at home. The verb be, drive, stay are in the simple present.

The forms of the simple present

The affirmative form of the simple present:

I, you, we, they	play.
He, she, it	plays.

Remember the verbs in the third person singular (he,she and it) always take an "s". For example, "he plays, she sings,it works..."
Examples:

• Nancy and James speak good German.
• Nancy works in a restaurant downtown.
• The children play in the garden every weekend.

The interrogative form of the simple present:

Do	I, you, we, they	play?
Does	he, she, it

Examples:

• Do you speak good German?
• Does Nancy work in a restaurant downtown?

The negative form of the simple present:

I, you, we,they	do not	play.
	don't
He, she, it	does not
	doesn't

Examples:

• No, I don't speak German.
• No, she doesn't work in a restaurant downtown

The use of the simple present:

The simple present is used:

• to give your opinion - I like ice cream. I don't like spicy food.
• to talk about schedules - The library opens at eight. It doesn't open at 7.
• to talk about daily habits (routine actions)- Sara eats a cheese for breakfast every day. She doesn't eat cereal.
• to give facts - The earth circles the sun. The moon doesn't circle the sun.

The spelling of the third person singular form of the simple present:

All the verbs take an "s" in the simple present when conjugated in the third person singular (he, she, it) form:

Examples:

• I visit my parents every summer holiday. But my wife visits her parents every weekend.
• My brother meets his girlfriend everyday.

So the rule is:

He / she / it + Verb + S

There are however some special cases. Here are the spelling rules:

Silent e	Vowel + y	Consonant + y	Verbs ending in o	Verbs ending in s, z, sh, tch, ch
close = closes note = notes	play = plays say = says	study = studies marry = marries	go = goes do = does	miss = misses buzz = buzzes hatch = hatches finish = finishes teach = teaches

Examples:

• She drives to work every morning.
• He says he plays football on the weekends

Exception:

• The verb to have changes its forms as follows:
  I have two sisters and two brothers. But she has one sister and two brothers.
  I have = he / she / it has

Things to remember about the simple present:

1.In the interrogative forms, we use "do" or "does".

• "Do you like the house?"
• "Does she go to school?"

2; Verbs never take an "s" in the the negative and interrogative forms.

• "Does he speak German?"
• "Do they play soccer?"
• She doesn't like ice cream.

3. don't is the short form of "do not". You can say either:

• I do not speak Italian, or
• I don't speak Italian.

4.doesn't is the short form of "does not". you can say either:

• He does not listen to jazz music, or
• He doesn't listen to jazz music.

The Present Continuous / Progressive

 

John is in his car. He is in his way to work.
 
He is driving to work
This means he is driving now: “at the time of speaking”
This is the present continuous.

The past continuous (progressive) tense

This page will present the present continuous:

• its form
• and its use.

You may also be interested by the past continuous

The form of the present continuous tense

The verb to be (in the simple present)	verb + ing

The affirmative forms of the present continuous:

I	am	eating.
	’m
You, we, they	are
	’re
He, she, it	is
	's

The interrogative forms of the present continuous

Am	I	eating?
Are	you, we, they
Is	he, she, it

The negative forms of the present continuous

I	am not	eating.
	’m not
You, we, they	are not
	aren't
He, she, it	is not
	isn't

The use of the present continuous tense

• The present continuous is used to talk about actions happening at the time of speaking. Example:
  
  • Where is Mary? She is having a bath. (Not she has a bath)
  • What are you doing at the moment in front of your screen? Don't you know? Well … you are reading this lesson. You are learning English.
• The present continuous can also be used when an action has started but hasn’t finished yet.

  Example:
  

  • I am reading a book; it’s a nice book. (It means = I am not necessarily reading it; I started reading it but I haven’t finished it yet

Special verbs

There are verbs which are normally not used in the present continuous.

Examples:

be, believe, belong, hate, hear, like, love, mean, prefer, remain, realize, see, seem, smell, think, understand, want, wish
It's not correct to say:

He is wanting to buy a new car.*

You must say:

He wants to buy a new car.

The Simple Past of the Verb "to be"

The simple past tense of the verb to be:

This page will present the simple past tense of the verb to be:

• its form
• and its use.

The affirmative form:

I, he, she, it	was.
you, we, they	were.

Examples:

• I was in London in 1999.
• Pam was in London in 1999, too.
• We were together.
• She was my girlfriend.

The interrogative form:

Was	I, he, she, it?
Were	you, we, they?

Examples:

• Were you in London last year?
• Was Pam with you?
• Were you together?

The negative form:

I, you, he, she	was not.
	wasn't.
You, we, they	were not.
	weren't.

Examples:

• I wasn't in Paris in 1999.
• Pam wasn't in Paris in 1999.
• We weren't in Paris.

Rememeber:

1. wasn't is the short form of was not. You can say either:

• I was not in Paris, or
• I wasn't in Paris.

2. weren't is the short form of were not. You can say either:

• we were not in Paris, or
• we weren't in Paris.

The Simple Past

The simple past tense

This page will present the simple past tense:

• its form
• and its use.

Before you continue the lesson read the following passage and try to see how the verbs are formed and used.

Wolfgang Amadeus Mozart was an Austrian musician and composer. He lived from 1756 to 1791. He started composing at the age of five years old and wrote more than 600 pieces of music. He was only 35 years old when he died. The verbs "was, lived,started, wrote, died" are in the simple past tense. Notice that: lived, started,died are regular past forms. was, wrote are irregular past forms.

Regular verbs:

The verbs "lived, started, died" are regular past forms. The rule is the following:

Verb + ed

Examples:

The infinitive	The simple past
live	lived
start	started
die	died
visit	visited
play	played
watch	watched
phone	phoned
marry	married

For the spelling of the -ed forms click here.

Irregular verbs:

The verbs "was, wrote" are irregular past forms. "Was" is the simple past of "to be"; "wrote" is the simple past of "write".
More on the simple past of "to be" here.
There is no rule for these verbs. You should learn them by heart.

The infinitive	The simple past
be	was/were
write	wrote
come	came
do	did
meet	met
speak	spoke

As you can see we can not predict the simple past forms of these verbs. They are irregular. You should learn them by heart. Here is a list of irregular verbs.

The forms of the simple past:

The Affirmative form of the simple past:

I, you, he, she, it, we, they	played.
	wrote
	did.

Examples:

• I played tennis with my friends yesterday.
• I finished lunch and I did my homework.

The interrogative form of the simple past:

Did	I, you, he, she, it, we, they	Play?
		write
		do?

Examples:

• Did you play basketball yesterday?
• Did you watch television?
• Did you do the homework?

The negative form of the simple past:

I, you, he, she, it, we, they	did not/didn't	play
		write
		do

• I didn't like the food in the wedding last Saturday.
• I didn't eat it.

Remember:

didn't is the short form of did not. You can say either:

• I did not play basketball, or
• I didn't play basketball.