23 does...speak

24 don't go

25 does...make

26 is...playing

27 hasn't studied

28 are sitting

29 does...come/takes

30 is going to rain

31 have worn

32 does..go

33 don't believe

34 do..listen/am explaining

35 has never played

3.1 knows->know

2 give->given

3 is->are

4 since->for

5 in->since

6 has->have

7 never sees->has never seen

8 letters->letter

9 watch->watching

10 building->built

11 finding->finds

12 sell->sells

13 accepts->accept

14 taught->have taught

15 has clearing->is cleaning

16 doesn't sends->don't send

17 am painting->have painted

18 are speaking->have spoken

19 since->for

20 have learning->have learnt, for->since

Tanks 2 : 

23 does/speak

24 don't go

25 does/make

26 is/playing

27 hasn't studied

28 are sitting

29 does/come/takes

30 is going to rain

31 have worn

32 does/go

33 don't believe

34 do/listen/am explaining

35 has never played