Ex. 1
b)
When I looked for my keys, I remembered I left them at home.
c)
Anna used to play badminton when she had been at school.
d)
When I got into bed, I fell asleep immediately.
e)
When I finally found the house, I knocked at the door.
f)
After Jill gave Nick his books, she went home.
g)
Maria had lived in Sweden when she was a child.
h)
I used to get up early when I was gone sailing.
i)
The Vikings have sailed to North America a thousand years ago.
j)
Juliet was sure she has seen the tall man before.
Ex. 2
a) was waiting, noticed, wasn't
b) went, found, had stolen
c) met, thought, had seen
d) got off, walked, realized, had left
e) had bought, didn't have
f) said, didn't
