Ex1 :

1. do not 

2. does not 

3. do not 

4. do not 

5. does not

6. does not 

7. do not 

8. does not

Ex2 :
1. Does | he does 

2. Do | I don't 

3. Do | they don't 

4. Does | it does 

5. Does | he doesn't 

6.  Do | they do 

7. Do | they don't 

8. Does | it does

Ex3 :

1. plays 

2. have 

3. goes 

4. circles 

5. starts 

6. doesn't study 

7. teaches 

8. likes 

9. washes 

10. don't have

Ex4 :
1. works 

2. plays 

3. smiles 

4. comes 

5. fishes 

6. stays

Ex5 :
1. My brothers often sleep on the floor. 

2. He sometimes stays up late ? 

3. I always do the housework with my brother. 

4. Peter and Mary never come to class on time. 

5. Why does Johnson always get good marks ?

6. Do you usually go shopping ? 

7. She seldom cries. 

8. My father never has popcorn.

Ex6 :

1. learn

2. comes 

3. has 

4. goes 

5. meets 

6. drinks