Exercise 2:
1, If you don’t keep silent, you will wake the baby up.
2, If you don’t stop talking, you won’t understand the lesson.
3, If I knew her number, I would ring her up.
4, If I knew the answer, I could tell you.
5, If we had had a map, we would not have got lost.
6, If Susan hadn’t eaten four cream cakes, she wouldn’t have felt sick.
7, If it had not been for the treatment, the patient would have died.
8, If he hadn’t been late every day, he would not have lost his job.
9, If Peter didn’t eat so many chips, he wouldn’t be fat.
10, If Robert hadn’t started smoking cigarettes, he would not have got a bad cough.
Exercise 3:
1, Unless you like this one, I’ll bring you another.
2, Unless she hurries, she’ll be late.
3, Unless you are careful, you’ll cut yourself.
4, Unless you had sneezed, he wouldn’t have known that we were there.
Exercise 7:
1, knew; would go
2, would have bought
3, will buy
4, would have seen; had gone
5, hadn’t been
6, is not
7, returned
8, doesn’t rain
9, didn’t invite
10, would you do; were
11, will buy
12, drive; will have
13, make; will get
14, would be
15, had gone; would have met
16, ask
17, would have invited
18, không nhìn rõ đề
19, had
20, will not let; come
21, don’t go; will send
22, were; would accept
23, won
24, were; would tell
25, had; would go
26, had known; would have come
27, will we do
28, would write
29, were; would know
30, had eaten; would not have got
31, comes; will lose
32, will let; find
33, lived
34, arrived
35, will phone
36, would give
37, would be
38, will go
39, will have
40, would feel; stopped
41, were; would help
42, would understand; spoke
43, had listened; would have performed
44, comes; will have
45, afford; will have
46, have
47, would go
48, were not; would show
49, will be; use
50, have; will make
51, doesn’t like
52, will be; hears
53, will have
