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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