Verified answer

1 if she had seen The Lost City.

2 she had gone to the cinema with Marco the day before.

3 when Fiona was flying to Rome.

4 why Mrs Norris was outside the school at six o'clock.

5 if Joanne's teacher gave her a lot of homework.

6 she might call Peter that evening.

7 Linda told Harry that if she explained it again he would understand.

8 if Betty could see that star over there.