Ex1
1 do not belong
2 is coming- do not want
3 flows
4 is flowing
5 grow- are not growing
6 do you smoke
7 usually enjoy- am not enjoying
8 is- is staying- stays
9 starts
10 does your father do- is not working
11 are always doing
12 are shouting
13 are you wearing
14 am not wearing
15 are helping- finishes
II
1 has had
2 arrived-had-went
3 How often did you visit
4 did you give
5 have not eaten- did not feel
6 Have you washed
7has worked
8 has lived
9 have been
10 Have you met- have never met
III
1 fell- was painting
2 Were you watching
3 was not driving- happened
4 broke-was doing- slipped
5 did not go-was raining
6 did you do- fed
7 saw- was wearing
IV
1 was- had run
2 had gone-did not feel
3 had rung-was
4 told- have lived
5 had waited- was brought
6 had drived
