Bai 1:

1, She said that if she had caught the plane she would have been home by four o’clock.

2, My mother said that I would recover quickly if I followed the doctor’s advice.

3, Huyen asked Nga what she would have done if she had been having a problem with grammar.

4, She advised her brother to stop smoking.

5, He said that if I heat ice, it melts.

Bai 2:

1, would send

2, had bought

3, didn’t speak

4, had failed

5, couldn’t drive

6, looked

7, were going

8, weren’t listening

Bai 3:

1, she wouldn’t be able

2, there had been (no cell phones).

3, not to go

4, to stay in bed

5, if I would be

6, if I saw

7, told Mary to stand up

8, was going to work

9, if he were

10, she had just come back

Chúc bạn học tốt nha!!!