Page 303 - Advanced English Grammar in Use

Key to exercises

19.3 3 The President may well step 22.3
1 ('We met every day...' is also down soon. 2 can count
possible) 4 Mexico could well face severe 3 can give
2 We worked in Tokyo for three storms and flooding. 4 be able to start
years. 5 One day we could conceivably 5 will be able to investigate
3 We used to live on the east drive cars powered by a soya- 6 will be able to work
coast. ('We lived on the east based fuel. 7 being able to put forward
coast.' is also possible) 8 can meet
4 We met on the 22nd June last
year. UNIT 21
5 We used to play tennis UNIT 23
together. ('We played tennis 21.1
together.' is also possible) lb 2a 3a 4b 5b 23.1
21.2 Suggested verbs are given.
Suggested answers: 1 has to go
UNIT 20 2 He may/might/could have got 2 must come
lost. 3 must tell
20.1 3 He may/might/could have had 4 has to wake
1 yes an accident. 5 have to do
2 no 4 He may/might/could have been 6 have to go
3 no delayed at work. 7 must take/do
4 yes 5 He may/might/could have 23.2
5 yes broken down. 1 must
6 no 2 Both are wrong, '...can't...' is
7 no 21.3
8 yes 1 might the most likely alternative.
9 no 2 might 3 must
10 yes 3 might/could 4 Both are wrong, '...can't...' or
'...couldn't...' are the most
4 could
20.2 5 could likely alternatives.
1 / 6 may/could 5 had to
2 It couldn't/can't be true. 7 may 6 had to
3 it may/might/could take 8 could 7 must
4 they may not / might not have 23.3
('they won't have' is also 1 ('has to be done' is also
possible)
5 / UNIT 22 2 possible)
Did you have to pay Bob to
6 Possible answers: Could you 22.1 paint the fence? ('Had you got
be given...; Could it be that 1 £aa, is able to to' is not possible)
you'll be given...; Are you 2 was able to 3 The road has got to be built to
likely to be given...; Might 3 can, are able to
you be given... (rather formal) 4 can't. I'm not able to take traffic away from the city
centre, ('has to be' is also
7 I may/might be wrong 5 can possible)
8 / 6 can, am able to
9 / 7 could 4 You rarely have to tell Mary
('You have
anything twice.
10 Possible answers: Could it be 8 can, are able to rarely got to' is less likely)
from; Is it likely to be from; 9 can
Have we got to get up early
Might it be from (rather 10 couldn't, wasn't able to 5 tomorrow morning? ('Do we
formal)
22.2 have to' is also possible)
20.3 1 a were able to; b could/was 6 She didn't have to take time off
la 2b 3a able to work when her son was ill.
('She hadn't got to' is not
20.4 2 a could/was able to; b was possible)
Suggested answers: able to 7 Peter sometimes has to clean
1 Mt St Helens might well erupt 3 a could/were able to; b was his parents' car before they give
again in the near future. able to him any pocket money. ('Peter
2 Marcel could conceivably has sometimes got to' is less
break the world 1,500 metres likely)
record tonight.

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