Exercise 3: Rewrite the sentences to keep the meaning unchanged.

e.g : He is old. He can’t play sports.       If he were not old, he would play sports.

1.The test is too difficult. She can’t do it.  If..........................................................................

2.It is hot. We can’t go out.  If.............................................................

3.He walks too slowly. He can’t catch the bus. If.........................................

4.She speaks quickly. I don’t understand her question. If....................................................

5.Mai is tired. She can’t do her homework. If...............................................................

6.She lost because she didn’t have a map. If................................................................

*7.Hurry up or we’ll be late for the concert. If we don’t................................................

8.Study hard or you won’t pass the exam. If you.........................................

9.If it doesn’t rain, we will go camping. Unless it.................................................

10.Unless we protect the environment, our life will be badly affected.

     If................................................................................................

11.we didn’t visit the museum because we hadn’t time. We would.......................................

12.Working so much will make you tired. If you...........................................................

13.We don’t have enough money, so we can’t buy that house.

If we.........................................................................................................

14.If someone doesn’t put the coal in, the fire will go out .

    Unless................................................................................

15. We don’t have enough money, so we can’t buy that house.

If we.........................................................................................................

16.I'm sorry that I asked her to stay.  Now I wish ......................................................................

17. He lost his money because he wasn't careful. If he ...............................................................

* 18.Keep quiet or I’ll scream.   Unless you.........................................................

19. Come here or else she will punish you. If you..........................

20.Because the weather is hot, Mai can’t go to the zoo. If..........................

Exercise 2: Choose the best answer.

1.If I had a typewriter, I ...........it myself.(typed / would type / typing / will type)

2.If I ...........his address, I’d give it to you.(known / know / am knowing / knew )

3.If I see her, I .............her a lift.(will give / give /gave / giving )

4.If she comes,  ...........me please.(phoning / phone /will phone /phoned )

5.If they..........late tomorrow, I’ll go without them.(were /would be /are /will be)

6.If she ..............you, she wouldn’t drink that wine.(is / was / are /were )

7.What.......................if you had a lot of money? (would you do/ will you do/did you do/ do you do).

8.If I gave her a diamond ring, she ...................it.(would sell /sold /has sold /will sell )

9.If I ................a map, I would have been OK.(have had / had had / had /have )

10.If she had visited me yesterday, we ................lunch together.(would eat / ate / would have eaten / eat ).

Exercise 1: Use the correct tense of the verbs in brackets.

1.If he comes here, I (tell)................you.

2.If you go away, please (write ).............to me.

3.What you (do)...............if she refuses your invitation?

4.What would happen if he (come)..............late?

5.I wouldn’t do that if I (be)...........you.

6.Unless she (come).................., we will go without her.

7.If we had known your address, we ( write).......................you a letter.

8.If you (see) ................a UFO, what would you do?

9.He might get rid of his cough if he (not smoke)....................so much.

10.If I saw a tiger walking across the park, I (climb) ........................the tree.

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