I
1 used to be
2 used to write
3 used to play
4 didn't used to travel
5 used to walk
6 didn't used to swim
7 didn't used to watch
8 used to climb
9 didn't used to buy
10 used to shop
II
1 lived
2 knew
3 were
4 met
5 didn't live
6 would be
7 wouldn't rain
8 wouldn't have
9 would be
10 would be
Ex3
1 I hadn't eaten
2 it stopped
3 I knew
4 it weren't
5 I could
6 I hadn't said
7 you slowed down
8 we hadn't gone
9 you didn't go
10 I had saved