This type of conditional sentences tells hopes and plans that are still possible to happen in the future. For example:

  • If I pass the final exam, I will continue studying at President University.

If clause                                                main clause

  • I will not go out if it rains this evening.

Main clause                  if clause


If  + subject + present tense, Subject + will/will not + present tense

If clause                                   main clause







It used to imagine a future happening but unreal to happen. It uses past tense (did, was, found, etc) after the ‘if clause’ but the meaning is present. In the ‘main clause’, it uses would/would not (wouldn’t).

For example

ü      If we didn’t go to the party, he would be very angry.

If cause                                    main clause

ü      If you stopped smoking, you would feel healthier.

If clause                                    main clause

If  + subject + past tense, Subject + would/wouldn’t + present tense

If clause                                   main clause





The speaker imagines that he/she do something, but actually not.



We use past tense and past perfect to describe something in the past which was contrary to the fact or which did not happen and is unreal.


had + past participle, would have + past participle

if clause                        main clause

For example:

If the scientists had not worked hard, they would not have invented fuel.

If clause                                                main clause


The real situation was that the scientists worked hard so they invented the fuel.






Choose the correct answer for the following question of conditional sentences.

1)      ‘Will you come to school tomorrow?’

‘If you come, I …

(A)  come

(B)   will

(C)  too

(D)  do

(E)   also


2)      He … if I had not reminded him.

(A)   may forget

(B)   must forget

(C)   should forget

(D)   might have forgotten

(E)    will forget


3)      ‘Did you buy a computer?’

‘No, but I would have if my father …’

(A)   would give me the money

(B)   gave me the money

(C)   would have given me the money

(D)   had given me the money

(E)    gave me the money


4)      If all students pass their final exam, the teacher will give a party for them in her house. It means that … at the teacher’s house.

(A)   there has to be a party

(B)   there was a party

(C)   there is no party at all

(D)   there will be possibly a party

(E)    there has been a party


5)      I didn’t know that Jimmy was at home.

(A)   if I did, I would come and see him

(B)   if I know, I’ll come and see him

(C)   if I had known, I would have come and see him

(D)   if I have known, I have come ad see her

(E)    if I knew, I came and saw her


6)      ‘If I had known you needed a camera, I could have lent you mine.’

‘Oh, ……’

(A)   thanks, it’s an excellent camera

(B)   I didn’t know you had a camera

(C)   I’ll borrow it from you then

(D)   Thank a lot for the camera

(E)    I’ll soon return it



Give the correct form of future conditional of the verb in the brackets.

1)      If you (park) your car in the wrong place, a traffic policeman (find) it.

2)      You (be) very lucky if he (let) you go without a ticket.

3)      You (enjoy) your stay here if you (pay) attention to our street signs.

4)      If you (receive) a request like this, you (can’t) fail to obey it.




Supply the correct form of the verbs in brackets in this paragraph.

A mother received a letter from her eight-year-old daughter. Here is a part of it: ‘If I (listen) to the radio, don’t tell me to do my homework. If I (do) something wrong, (not shout) at me. If the house (be) untidy, (not blame) me. If you (want) me to do something, (not forget) to say “please”. If I (play) a nice game, (not send) me to bed. If I (ask) for something, don’t always say “No!”. If it (be) cold (not put) the cat out. Don’t say “Don’t” so often!’




Put the verbs into the correct form.

1)      He would enjoy this game if he (be) present.

2)      If you broke this window, you (have to) pay for it.

3)      If you (lose) your way, you would have to ask a policeman.

4)      What would you do if you (win) a lot of money?

5)      If you (can) help me I would be grateful.




Read the situation and write a sentence with ‘if’


1)      People don’t understand him because he doesn’t speak very clearly.

But if he …………………, people …………………

2)      I’m not going to buy that book because it’s too expensive.

But if that book …………………………………

3)      She doesn’t go out very often because she can’t walk without help.

But if ……………………………………………

4)      He’s fat because he doesn’t take any exercise.

But ……………………………………………….

5)      We can’t have lunch in the garden because it’s raining.



Give the correct form of the verbs in the brackets.


1)      If you had told me about it earlier, I (be able) to help you.

2)      If you (can/come) with us, we would have been pleased.

3)      You (not/make) such mistake if you had been more careful.

4)      If at the time he British had not feared invasion, it (complete).

5)      It’s good that Sarah reminded me about Jack’s birthday. I (forget) if she hadn’t reminded me.

6)      If Cathy (not/recommend) it to us, we might not have stayed at this hotel.

7)      I’d have sent you a postcard while I was on holiday if I (have) your address.

8)      You (miss) the train if you had not hurried.

9)      If you (can/make) him change his mind, you would have saved him a lot of trouble.

10)  I would have acted differently if I (be) in your position.

11)  If you (go) to the exhibition, you would have enjoyed it.

12)  Rose (not/enter) for the examination if she had known that it would be so difficult.

13)  If I (know) that you were ill last week, I’ have gone to see you.

14)  He (not/walk) into the wrong house if he had been looking where he was going.

15)  If I (see) you when you passed me n the street, I would have said ‘Hello’.



Read the situation and write a sentence with if.

For example:

She didn’t eat anything because she did not hungry.

If she had been hungry, she would have eaten something.


1)      The accident happened because the driver in front stopped so suddenly.

2)      I was able to buy the car because my brother lent me the money.

3)      She wasn’t injured in the crash because she was wearing a seat-belt.

4)      I didn’t wake Billy because I didn’t know he wanted t get up early.

5)      You are hungry now because you didn’t have breakfast.

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