Exercise VIII.

1. I'm the best in the class.

=> I'm not the best in the class.

2. Mark does homework in the evening.
=> Mark doesn't do homework in the evening.

3. We play football after school. 

=> We don't play football after school.

4. You run fast.
=> You don't run fast.

5. Tim and Lucas work atweekends.

=> Tim and Lucas don't work at weekends.

6. I like classical music.
=> I don't like classical music.

7. These exercises are difficult.

=> These exercises are not difficult.

8. She has science on Fridays.
=> She does not have science on Fridays.

Exercise IX.

1. Do you have an art lesson on Monday?
=> No, I don't.

2. Do they ride their bikes to school?
=> Yes, they do.

3. Does Jane play tennis at school?
=> No, he doesn't.

4. Are your parents at home now?
=> Yes, they are.

5. Does he have breakfast at 6 o'clock every day?

=> Yes, he does.

6. Are you a good student?

=> No, I am not.

7. Do I look well?

=> No, you don't

8. Is Ms. Van a good teacher?

=> Yes, she is.

Exercise X.

1. I/do my homework

=> I am doing my homework.

2. Bella/talk on the phone

=> Bella is talking on the phone.

3. We/listen to CDs now

=> We are listening to CDs now.

4. The children/ride to the park

=> The children are riding to the park.

5. It/rain very hard now

=> It is raining very hard now.

6. She/bake a chocolate cake

=> She is baking a chocolate cake.

7. You/dance very beautifully

=> You are dancing very beautifully.

8. Mark and his friends/have lunch

=> Mark and his friends are having lunch.

Exercise XI.

1. They aren't helping the teacherright now.

2. She isn't staying in a hotel.

3. I am not travelling a lot these days.

4. We aren't studying Science at present.

5. The children aren't playing football in the playground.

Học tốt! @viet

#W2RE

VIII:

1: I'm not the best in the class

2: Mark doesn't do homework in the evening

3: We don't play football after school

4: You don't run fast

5: Tim and Lucas don't work at weekends

6: I don't like classical music

7: These exercises aren't difficult

8: She doesn't have Science on Fridays

IX:

1: Do you have an art lesson on Monday? No, I don't

2: Do they ride their bikes to school? Yes, they do

3: Does Jane play tennis at school? No, he doesn't

4: Are your parents at home now? Yes, they are

5: Does he have breakfast at 6 o'clock every day? Yes, he does

6: Are you a good student? No, I am not

7: Do I look well? No, you don't

8: Is Ms. Van a good teacher? Yes, she is

X:

1: I am doing my homework

2: Bella is talking on the phone

3: We are listening to CDs now

4: The children are riding to the park

5: It is raining very hard now

6: She is baking a chocolate cake

7: You are dancing very beautifully

8: Mark and his friends are having lunch

XI:

1: aren't helping

2: isn't staying

3: am not traveling

4: aren't studying

5: aren't playing