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 the classical class.

7. These exercises aren't difficult.

8. She doesn't have science on Fridays.

*GT: - Cấu trúc HTĐ:

+) Verbs: (+) S + V (s/es)

               (-) S + do/does + not + V-infinitive 

+) Tobe: (+) S + am/is/are + C

               (-) S + am/is/are + not + C.

* Cấu trúc thì Hiện tại đơn 

- Với động từ thường

(+) S + V(es/s)/ V

(-) S + don't/ doesn't + V 

(?) Do/ Does + S +V?

- DHNB: every, often,...

- Với động từ to be 

S + am/is/are + something

________________________________________________

`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 the classical class.

`7.` These exercises aren't difficult.

`8.` She doesn't have science on Fridays.