Ex.1)
1.did
2.was
3.were
4.did
5.were
6.was
Ex.2)
2.was working
3.didn't come
4.got up
5.was raining
6.left
7.didn't feel
8.began
9.stopped
10.turned off
11.took
12.were driving
13.saw
14.they were just standing there
15.hit
16.didn't move
17.sat
18.didn't get
Ex.3
1. We were just going out when it began to snow.
2. While she was swimming in the sea, she lost one of her ...
3. I was doing my homework, when all the lights went out.
4. While they were having dinner, the cat ate the goldfish.
5. My brother was cycling quite fast.
6. While I was changing some money, a többet ran into the bank.
