Ex 3:

1.went

2.played

3.catched

4.taked

5.had

6.bought

7.did not talk

8.came

9.played

10.wore

Ex 4

1.how many student are in your classroom?

2.what is your brother doing in his bedroom?

3.where your family usually go to on summer vacation

4.how often her children go to club?

5.what your favourite singer?

6.where is your father right now?

7.why he stayed at home yesterday morning?

8.he went to the cinema with who?

9.who is doing an experiment in laboratory?

10.where is Mr.Brown stay?

III

1. went

2. played

3. ate

4. took

5. had

6. Did she buy

7. didn't talk

8. Did they come

9. did they play

10. did the students wear

IV

1. How many students are there in your class?

2. What is your brother doing?

3. Where does your family go on summer vacation?

4. How do her children go to the club?

5. What is your favorite singer?

6. Where is your father right now?

7.  Why did he stay at home?

8. Who did he go to the cinema with?

9. Who is doing an experience in the liboratory?

10. Where is Mr.Brown staying?