1 she doesn't do these exercises

2 does she do these exrcises

3 i am cheaning the foor

4 she isn't studying english

5 is he carrying the boxes

6 tony wrote that books year ago

7 peter didn't wrote that books year ago

8 did tony wrote that books year ago?

9 tony wrote that books year ago, didn't he?

10 someboby has just sent a box of flowers

11 my brother hasn't sent those flowers

12 has that man sent those flowers

13 the were eating a lot of grapes 

14 we weren't building these building

15 were the architects building this bridge

16 his mother will send a new bike to him on his birthday

17 her father won't take her to the park

18 will you give me this book tomorrow

19 i can play the piano 

20 my borther can't play guitar 

21 can he play badminton?

22 you should place that medicine out of children's reach

23 i need to clean this floor

24 we have to do this difficult exercise

 1 your salaries will not be increased this year

2 the problem night be discussed in the meeting if there is enough time

3 the accident happend because the car has not been stopped in time

4 you can sê that the dishes haven't been washed

1 i am give a flower by him

2 she was taken to school by her parents 

3 is was reported that fighting had started again in pakistan

4 the teacher must have been upset by what you said

1 the teacher said "Open the book, please"

2 the speaker said : to the audience,"Don't make so much noise"

3 mrs. pike said, "pleased come to our party to night ,ben"