I
1, whom -> whose
2, that -> whose
3, who -> whom
4, don’t -> didn’t
II
1, tries
2, would buy
3, had worked
4, would you choose
5, had had
6, were
7, leave
8, going
9, to see
10, to feed
11, telling
12, waiting
13, going
14, cheating/ having cheated
17, If you hadn’t encouraged me, I would not have learnt to swim.
18, Had they seen the sign, they wouldn’t have missed the turn.
19, They asked me to say help to Jim.
20, He wanted to know if she knew Robert.
21, She said that she had been waiting for the bus when he had arrived.
22, Batty wanted to know when I had come.
23, Elisabeth asked me if I had watched the attest film.
24, Anne asked me if she had to do the shopping.
