Ответы
Ответ:
3
1 I fell asleep while I was watching the film.
2 The teacher called me back as I was leaving the classroom.
3 The head teacher came in while we were doing the exam.
4 As we were driving to the airport, I realised I didn't have my passport.
5 While you were shopping, three people called for you.
6 She met one of her friends while she was taking the dog for a walk.
7 As we were talking, I realised that I'd met her before.
8 They didn't speak while they were doing their homework.
4
Нужно написать причину события, используя past perfect.
1 Why was she crying? miss the plane
Because she had missed the plane.
2 Why couldn't he find his bike? somebody steal it
Because somebody had stolen it.
3 Why did they buy a new car? have the old one for 15 years
Because they had had the old one for 15 years.
4 Why were you scared of flying? never fly before
Because I had never flown before.
5 Why was everything white in the moming? snow the night before
Because it had snowed the night before.
6 Why didn't she pass her exam? not study much
Because she hadn't studied much.
7 Why didn't he board the plane? lose passport
Because he had lost his passport.
8 Why didn't Alex have any money? spend it
Because he had spent it.
9 Why did she miss the bus? not leave on time
Because she hadn't left on time.
Объяснение:
В упр. 3 в главной части используется past simple, а в придаточных после while и as надо использовать past continuous.
В упр. 4 для объяснения причины используется past perfect (had + 3я форма глагола).