10) I should go to bed early
11) she didn't like chocolate
12) she wouldn't see me the next day
13) she was living in Paris for a few months
14) she had visited her parents at the weekend
15) she hadn't eaten sushi before
16) she hadn't travelled by underground before she came to London
17) they would help if they could
18) she would do the washing-up later
19) he could read when he was three
20) she had been sleeping when Julie called
