Laboratory Work Conditionals

Compiled by Zvonova I.A.

Conditional I

I. A) Rewrite the sentences making the if clause negative. Make any necessary changes to the main clause to keep the same meaning.

Example

• If you work hard, you’ll pass your exams.

• If you don’t work hard, you won’t pass your exams.

• If you go to the market early, you’ll get some fresh fish.

• If you hurry, you’ll catch the bus.

• If sell my car, I’ll be able to afford a holiday.

• If it’s sunny, we’ll go to the beach.

• If get a residence permit, I’ll be able to stay in the USA.

b) Rewrite the sentences using unless.

Example

You won’t pass your exams unless you work hard.

II. Reply to the questions on the left choosing from the list on the right. Start with I’ll/we’ll … as soon as …

Example

1. When are we going to eat?

b) We’ll eat as soon as John gets back.

1. When are we going to eat? a) I finish reading it.

2. When are you going to do your homework? b) John gets back.

3. Aren’t you going to leave soon? c) I get a free weekend.

4. When can you lend me that book? d) this program finishes.

5. When are you going to come and visit us? e) I get my typewriter back.

6. When are you going to finish that report? f) the babysitter arrives.

III. Complete the conversation between Angie and her mother by writing the correct form of the verb in brackets.

Mother: I’m off to work now. What time will you be back?

Angie: About six. But I (ring) you if there (be) any problems.

Mother: Well, if you (be) back before me, you (have to) get something for supper.

Angie: O.K., I (decide) on something when I (get) to the supermarket.

Mother: If I (pass) a greengrocer’s, I (buy) some strawberries.

Angie: Great!

Mother: Is Colin coming round tonight?

Angie: He didn’t say but if he (get in touch), I (invite) him to supper.

Mother: Look at the time. I (miss) the bus unless I (go) now.

Angie: O.K. Bye. I (see) you when I (get) home.

IV. Complete the sentences with some tips of your own.

Example

1. Your T-shirts won’t shrink if …

Your T-shirts won’t shrink if you dry them naturally.

2. You’ll get a smoother shave if …

3. If …, you’ll tan more quickly.

4. If …, your skin may go dry.

5. Your roses will last longer if …

6. Your house plants will die unless …

7. Your car won’t use so much petrol if …

V. Put the verbs into the correct form: will/won’t or the present simple (I do).

1. When I ………. (see) Tom tomorrow, I ………. (invite) him to our party.

2. I ………. (phone) you as soon as I ………. (arrive) in London.

3. Before you ………. (leave), don’t forget to shut the windows.

4. Please don’t touch anything before the police ………. (come).

5. Everyone ………. (be) very surprised if he ………. (pass) the examination.

6. When you ………. (see) Brian again, you ………. (not/recognize) him.

7. We ………. (not/start) dinner until Jack ………. (arrive).

8. ………. (you/be) lonely without me while I ………. (be) away.

9. If I ………. (need) any help, I ………. (ask) you.

10. Come on! Hurry up! Ann ………. (be) annoyed if we ………. (be) late.