Chuyển sang câu bị động thí Quá khứ tiếp diễn:
3.Who was painting those windows?
=>
5.They were not eating dinner.
=>
6.We were painting the gate.
=>
7.I was not driving him home.
=>
8.He was feeding the dogs.
=>
9.Was she reading these poems?
=>
10.They were cleaning the floor when I arrived.
=>
11.She was doing the homework at that time yesterday.
=>
12.Nina was singing a song at the contest.
=>
13.I was writing an importan report.
=>
14.We were washing the dishes when you called.
=>
15.At this time last year, I was attending an English course.
=>