ANSWER KEY- WEEK FIVE HOMEWORK
p. 41 –
Modal Verbs
|
1. |
a) Must I stop / Do I have to stop … b) may / might / could |
|
2. |
should
/ ought to |
|
3. |
must /
have to |
|
4. |
don’t
have to |
|
5. |
a) May I / Could I / Can I b) may / might |
|
6. |
Could
you / Can you |
|
7. |
could |
|
8. |
a) May I b) must / have to |
|
9. |
may /
might / could |
|
10. |
don’t
have to |
|
11. |
a) must not b) may / might / could |
|
12. |
a) can b) should / ought to |
|
13. |
a) May I / Could I / Can I b) had better not |
|
14. |
a) shouldn’t / had better not b) may / might / could |
|
15. |
had
better |
p.
42a Perfect and Continuous Modals
|
1. |
could
have repaired / might have repaired |
|
2. |
may be taking
/ might be taking / could be taking |
|
3. |
should
have known / ought to have known |
|
4. |
may be
suffocating / might be suffocating / could be suffocating |
|
5. |
should
have turned off / ought to have turned off |
|
6. |
must
have had |
|
7. |
may have
insulted / might have insulted |
|
8. |
should
have turned / ought to have turned |
|
9. |
may be
improving / might be improving / could be improving |
|
10. |
should
have returned / ought to have returned |
p. 44 –
Past Continuous
|
3. |
was cooking |
|
4. |
heard |
|
5. |
were
watching |
|
6. |
smashed |
|
7. |
was
giving |
|
8. |
arrived |
|
9. |
was
walking |
|
10. |
was
working |
|
11. |
were
living / arrived |
|
12. |
was
playing / exploded |
|
13. |
had /
were driving |
|
14. |
kissed
/ became |
|
15. |
were
digging / found |