2) i’d never seen a rabbit before i went to the zoo.
3) the children were tired because they’d been playing all day
4) the students on duty had just cleared the board when the teacher came in
5) Tim had been learning to swim for two weeks when he went to the beach
6) why was the little girl unhappy? Because she hadn’t won the prize
7) Mr Miller had been working in a garage for a year when i first met him
8) he had repaired 200 cars so far by then