1. She
should have gone to sleep early.
a. She went to sleep late.
b. It was a mistake to go to sleep so early.
2. They
might cancel their trip to Paris.
a. They aren’t sure if they are going to Paris.
b. They’ve already decided not to go to Paris.
3. You
needn’t have paid for dinner.
a. You don’t need to pay for dinner.
b. It wasn’t necessary to pay for dinner.
4. It
must have rained.
a. We thought it would rain, but it didn’t.
b. The ground is wet because of the rain.
5. Bill
couldn’t have known about the accident.
a. Bill was in an accident.
b. It isn’t possible that Bill knew about the
accident.
Rewrite the sentences using the words in brackets.
1. There’s
a possibility that my cousin is going to visit me next Sunday. (might)
2. Walking
on the grass is not allowed. (mustn’t)
3. John
has the ability to be an excellent football player, but he doesn’t like the
game. (could have)
4. It
wasn’t nice that you didn’t call me on my birthday. (ought to)
5. Everyone
expected the president to arrive on time, but he was late. (should have)
6. Claire
doesn’t have to return the car today. (needn’t)
7. Holly
doesn’t know how to drive. (can’t)
5 Complete the passage with a suitable modal or modal perfect and the
correct form of the verbs in brackets.
For ten days last
August, a queue of cars 95 kilometres long stood still on a motorway outside
Beijing in what 1. ……………………………… (must / be) the worst
traffic jam in history. “I’ve been waiting here for days,” said one lorry
driver. “How 2. ……………………………… I ……………………………… (can /
make) a living this way?” This 3. ……………………………… (may /
be) an extreme example, but it’s not that unusual. People in Beijing 4.
……………………………… (have to / deal) with the
worst traffic jams on the planet. Drivers complain that the government 5.
……………………………… (should / build) more
roads a long time ago. The government, however, 6. ……………………………… (not able to / keep up)
with the growing number of vehicles bought every year by newly wealthy
citizens. Without China’s recent economic boom, people 7. ……………………………… (might / stay) on their
bicycles and Beijing 8. ……………………………… (could /
be) free of congestion. So traffic jams, though annoying, are a sign that the
Chinese are getting richer.
KEY
1. a 2. a 3. b 4. b 5. b
1. My cousin might visit me next Sunday.
2. You mustn’t walk on the grass.
3. John could have been an excellent football
player, but he doesn’t like the game.
4. You ought to have called me on my birthday.
5. The president should have arrived on time, but
he was late.
6. Claire needn’t return the car today.
7. Holly can’t drive.
1. must have been
2. can … make
3. may be
4. have to deal
5. should have built
6. hasn’t been able to keep up
7. might have stayed
8. could have been
No hay comentarios:
Publicar un comentario