1 I had just finished
2 rang
3 went
4 had told
5 she was going
6 opened
7 saw
8 was
9was
10 i had heard
11 shut
12 began
13 was going on
14 was
15 noticed
16 picked it up
17 realized
18 had pushed
19 I had never saw
20 began
1 he has been standing
2 had gone
3 how long did you revise
4 has been watching
5 haven t seen
6 What were you doing
7 was doing