1 is / go
2 ..... did you discuss ....?
3 ....have seen ...
4 opens
5 entered / saw was standing / was cutting
6 Why are you crying ?
7 went .....
8 they have already solved ....
9 What is the weather like? Is it still raining?
10 How long have you been waiting...?
11 After I had swept ....... I started ..