1. When Frank entered the room, his sister ... the flowers.

had already watered

watered

was watering

2. They ... the suitcase by six o'clock yesterday.



packed

had packed

was packing

3. Anna ... her mobile phone and put it into her handbag.



had taken

took

take

4. We ... before the postman delivered the newspaper.



left

had left

live

5. Willy had had his dinner before Dick ... .



came

had come

come

6. Jane ... the carpet before 4 o'clock yesterday.



had vacuumed

vacuumed

was vacuuming

7. You came up to the armchair and ... .



sat down

had sat down

sit down

8. My friend phoned me after I ... the house.



left

had left

leave

9. The train had arrived before we ... the tickets.



bought

had bought

have bought

10. The performance ... when they entered the hall.



begin

have begun

had begun

11. Sally switched off the TV set and ... to bed.



go

went

had gone

12. The children had eaten all the sweets before their parents ... from work.



return

returned

had returned