Bài 1:

1. doesn't study

2. has 

3. have

4. doesn't study

5. teaches

6. likes 

7. washes

8. don't have

Bài 2:

1. My brother often sleeps on the floor.

2. Does he somtimes stay up late?

3. I always do housework with my brother.

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

5. Why does Johnson always get good mark?

6. Do you usually go shopping?

7. She seldom cries.

8. My father never has popcorn.

I

1 doesn't study

2 has

3 have

4 doesn't study

5 teaches

6 likes 

7 washes

8 don't have

II

1. My brother often sleeps on the floor.

2. Does he somtimes stay up late?

3. I always do housework with my brother.

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

5. Why does Johnson always get good mark?

6. Do you usually go shopping?

7. She seldom cries.

8. My father never has popcorn.