2, did ... do
3, didn't see
4, saw
5, were
6, were
7, could live
8, knew
9, had
10, would come
11, have been
12, walk
III,
2. I wish I had a computer.
3, I wish I knew how to swim
4, I wish I could speak English well
5, Lan wishes she had her friend 's phone number.
6, I wish he could come here
7, We wish we could go out because of the heavy rain.
8, They used to go to Vung Tau at weekends
9, I wish you were here with us now
10, I haven't seen him since 2000
IV,
1, by
2, on
3, in
4, for
5, into
6, of