Page 68 - Grammar For YDT - 12

ANSWER KEY

EXERCISES – TENSES Exercise D Exercise G
Exercise A 1. crossed 1 __________
1. utilises 2. was descending 2 are preferring prefer
2. include 3. was contemplating
3. are debating 4. spent 3 __________
4. express 5. were 4 __________
5. dispute 6. carved 5 has come comes
6. do not believe 7. recorded
6 became become
7. claim 8. didn’t think
8. are 9. amputated 7 had tired tried
9. employs 10. got out 8 __________
10. provide 11. needed
9 __________
11. seems 12. managed
10 when after
12. is developing 13. started
13. become 14. was walking 11 __________
15. ran 12 were finding found out
Exercise B
16. supplied
1. deserve 13 has discovered discovered
17. thought
2. need 14 __________
18. arrived
3. are thinking
19. rescued 15 __________
4. involve
5. concerns Exercise E 16 was trying tried
6. taste 1. smells nice and has 17 __________
7. are currently weighing 2. started to use 18 had designed designed
8. feel 3. has been increasing
19 __________
9. is becoming 4. a required file has got lost
10. see 5. have already known 20 cannot could not
6. is the second time in history 21 __________
Exercise C
7. is experiencing a period of
1. have not yet produced
2. has released Exercise F
3. have announced 1. Recently
4. has been searching 2. constantly
5. have refused 3. occasionally
6. has been increasing 4. hardly ever / barely
7. have been going on 5. while
8. has discovered 6. so far
7. Barely / Hardly ever
8. since
9. in antiquity
10. after

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