Ex. 89 Put in 'if or 'unless' according to the structure of the subordinate clause

Ex. 88 Complete the sentences choosing 'if or 'in case' according to the time of the actions in the main and subordinate clauses: simultaneous or not

Ex. 87 Read the dialogue and then make up similar conversations using if clauses

B) Tips and hints

A) Superstitions

1. If you see a black cat, you (not have) good luck.

2. If you (spill) some wine, throw some salt over your left shoulder to keep bad luck away.

3. If the sky (be) red this evening, the weather (be) fine tomorrow.

4. If your visitor in the New Year (have) dark hair, you (have) good luck all the year.

5 If you (break) a mirror, you (have) seven years' bad luck.

6 If your palm of your left hand itches, you (have) some money.

Do you know any other superstitions?

1.Your T-shirts (not shrink) if you (not wash) them in hot water.

2.If you (not use) a body lotion after a shower, your skin (go) dry.

3.Your roses (last) longer, if you (put) an aspirin into the water.

4.Your house plants (die) if you (not water) them.

5.Your car (not use) so much petrol if you (not drive) too fast.

Can you add some more tips and hints?

Mother: Oh, dear. I hope everything will be all right. You've never been abroad before.

Gill: Don't worry I'll be OK. I can look after myself.

Mother: But what will you do if you don't like the family?

Gill: I'll find another one.

There are the other things Gill's mother is worried about.
Perhaps Gill will: Perhaps she won't:

-ran out of money - like the food

-be lonely - understand the language -be ill

-get lost

-have to work too hard

Note that we use in case to talk about precautions-things we do to be ready for what might happen.

I’ll buy a bottle of wine (now) in case Roger comes (later).

I’ll buy a bottle of wine (later) if Roger comes (and if he doesn’t come I won’t).

1. I'm taking my umbrella with me - it rains.

2. I'll open the umbrella - it rains.

3. He'll take some extra traveller's cheques - he runs out of money.

4. I'll change a traveller's cheque - the bank is open.

5. I don't want to go out - she phones.

6. I'll take the mobile phone -1 need to phone you.

7. I'll give you my phone number - you need to contact me.

8. I'll draw a map for you - you can't find our house.

9. The burglar alarm will go off'- somebody tries to break in.

10.We have a burglar alarm - somebody tries to break in.

11.You should insure your bicycle - it is stolen.

12.I'll take a plastic bottle of water -1 get thirsty.

13.We'll have a swim - we see a nice place by the river.

14.Can you buy me a newspaper - you pass a kiosk on your way home.

15.When you drive to the mountains this winter, put chains on your wheels - the roads are icy.

Note: Unless means if not in the sense except if. Note also that clauses with unless don’t have a negation with the predicate while the predicate of their transforms with if is negative.

1. The trip to town takes half an hour... there's no traffic delay.

2. We'll go for a drive in the country ... itdoesn't rain.

3. He'll be here by 8 o'clock... he has car trouble on the way.

4. He'll lose his hearing... the operation isn't successful.

5. You'll get a headache... you don't wear your glasses.

6. He can't afford to go to college... he doesn't win a scholarship.

7. She'll be lonely... she buys another dog.

8. There will be a serious shortage of water... it rains soon.

9. They'll never find out... she tells them.

10.She'll look nicer... she doesn't wear so much make-up.

Дата добавления: 2014-12-27