1. The pupils
( discussed) this problem yesterday. 2. The pupils (were discussing) this
problem the whole evening yesterday. 3. They (were discussing) this problem from
three till five o'clock. 4. They (were discussing) this problem at four o'clock
yesterday. 5. They (were discussing) this problem when I came in. 6. She (
learnt) a poem yesterday. 7. She (was learning) a poem at five o'clock
yesterday. 8. She (was learning) a poem from five till six o'clock 9. She (was learning) a poem when mother opened the door. 10. She (was learning) a poem
the whole day yesterday. 11. I (did not to see) him yesterday. I ( saw)
him two days ago. 12. She (was not writing) a at seven o'clock yesterday.
She (wrote) two days ago. 13. Jane (was reading) the magazine from five
till six o'clock last evening. 14. He studied) a rule in the morning
last Monday. 15. Last month our team ( lost) the game. 16. what was she
( doing) when the telephone rang? 17. Whom were they ( speaking) to when I met
them at the station? 18. They (were having) lunch when the telephone rang
19. Nick (was making) a report at three o'clock yesterday. 20. Mike (was
writing) on the blackboard when I came into the classroom. 21. She (was not
sleeping) the whole night yesterday. 22. Who entered the room when you (were
watching) television? 23. What were you ( thinking) about when I asked you a
question?