Page 50 - Advanced English Grammar in Use

UNIT
EXERCISES
2 0
20.1 In which of these sentences is it possible to use can? Write Yes or No. (A)
1 The butterfly be recognised by the orange streaks on its wings.
2 'She's probably on holiday.' 'Yes, you be right.'
3 Peter have a big screwdriver. I'll go and ask him.
4 Infections sometimes actually be made worse by taking antibiotics.
5 Moving to a new job be a very stressful experience.
6 I think Michael enjoy himself if he joins the football club.
7 This 17th century chair be of interest to you.
8 The seeds from this plant be up to 20 centimetres long.
9 With the factory closing next week, he lose his job.
10 Around this time of year, eagles sometimes be seen in the mountains.

20.2 Where necessary, suggest a correction for these sentences, or put a S. (А, В & С)
1 I think I saw her go out, so she mightn't be at home.
2 It mightn't be true. There must be some mistake.
3 It's snowing heavily in Scotland so it can take Hugh a long time to get here.
4 If we don't get to the market soon they can't have any flowers left. They will all have been
sold.
5 If you're free at the moment, we may have a job for you.
6 May you be given the job permanently?
7 I thought they were on holiday - but I can be wrong, of course.
8 I might go out later if the weather improves.
9 Children may enter only when accompanied by an adult.
10 'I've had this birthday card, but it doesn't say who sent it.' 'May it be from Ron?'

20.3 Which one means the same as the sentence given, (a) or (b)f (C)
1 It's possible that they don't live here any longer,
a They mightn't live here any longer. b They can't live here any longer,
2 It isn't possible that they are twins,
a They mightn't be twins. b They can't be twins,
3 It could be that they are not married,
a They mightn't be married. b They can't be married.

20.4 Read these newspaper cuttings and speculate on what may happen in the future. Use
could/may/might + well/conceivably/possibly. (D)

1 fMt St Helens in the United States is
\of increased volcanic activity.

fin his last race, Marcelrnisseirthe^wodd"?^)^^^^
) record by only a tenth of a second. Tonight he competes/
un Switzerland. ' " ' " л - —
The President, now 78, has been unwell for^some^tirn^?3

4 (Ahurncanejs_approachirigjl^^

5 /Scientists have developed a soya-based tuel torcars^y
bvhich may one day replace petrol. ~~

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