1. 
- Khẳng định: I live in Ho Chi Minh city.

- Phủ định: I don't live in Ho Chi Minh city.

- Nghi vấn: Do you live in Ho Chi Minh city?

2. 

- Khẳng định: Mai and Lan are students.

- Phủ định: Mai and Lan aren't students.

- Nghi vấn: Are Mai and Lan students?

3. 

- Khẳng định: She watches television every night.

- Phủ định: She doesn't watch television every night.

- Nghi vấn: Does she watch television every night?

4. 

- Khẳng định: We have English on Friday.

- Phủ định: We don't have English on Friday.

- Nghi vấn: Do we have English on Friday?

5.

- Khẳng định: They play soccer after school.

- Phủ định: They don't play soccer after school.

- Nghi vấn: Do they play soccer after school?

6.

- Khẳng định: Nam does his homework at 7.30.

- Phủ định: Nam doesn't do his homework at 7.30.

- Nghi vấn: Does Nam do his homework at 7.30?

7. 

- Khẳng định: Mai's school is in the country.

- Phủ định: Mai's school isn't in the country.

- Nghi vấn: Is Mai's school in the country?

8. 

- Khẳng định: Classes start at 7.00.

- Phủ định: Classes don't start at 7.00.

- Nghi vấn: Do classes start at 7.00?

9. 

- Khẳng định: My father is working now.

- Phủ định: My father isn't working now.

- Nghi vấn: Is my father working now?

10. 

- Khẳng định: Mai's friends are playing chess.

- Phủ định: Mai's friends aren't playing chess.

- Nghi vấn: Are Mai' friends playing chess?
11. 

- Khẳng định: They are traveling to Ha Noi.

- Phủ định: They aren't traveling to Ha Noi.

- Nghi vấn: Are they traveling to Ha Noi?

12. 

- Khẳng định: Lan is carrying a bag.

- Phủ định: Lan isn't carrying a bag.

- Nghi vấn: Is Lan carrying a bag?

13. 

- Khẳng định: The boys are playing soccer.

- Phủ định: The boys aren't playing soccer.

- Nghi vấn: Are the boys playing soccer?

14. 

- Khẳng định: Mr. Quang is eating his breakfast now.

- Phủ định: Mr. Quang isn't eating his breakfast now.

- Nghi vấn: Is Mr. Quang eating his breakfast now?

15.

- Khẳng định: Miss Ha is my teacher.

- Phủ định: Miss Ha isn't my teacher.

- Nghi vấn: Is Miss Ha my teacher?

16.

- Khẳng định: I’m waiting for my friend.

- Phủ định: I am not waiting for my friend.

- Nghi vấn: Am I waiting for my friend?
17.

- Khẳng định: She goes to the market every day.

- Phủ định: She doesn't go to the market every day.

- Nghi vấn: Does she go to the market every day?
18. 

- Khẳng định: There is a big lake behind the house.

- Phủ định: There isn't a big lake behind the house.

- Nghi vấn: Is there a big lake behind the house?

19. 

- Khẳng định: The baby is drinking milk.

- Phủ định: The baby isn't drinking milk.

- Nghi vấn: Is the baby drinking milk?

20. 

- Khẳng định: We usually swim in the summer.

- Phủ định: We usually don't swim in the summer.

- Nghi vấn: Do we usually swim in the summer?

Cấu trúc thì hiện tại đơn: 

- Khẳng định: S + V(s/es)

- Phủ định: S + don't/doesn't + V(nguyên mẫu) 

- Nghi vấn:

+ Q: Do/Does + S + V

+ A: Yes, S + do/does

No, S + don't/doesn't 

Cấu trúc thì hiện tại tiếp diễn:

- Khẳng định: S + be + V_ing

- Phủ định: S + be + not + V_ing

- Nghi vấn:

+ Q: Be + S + V_ing?

+ A: Yes, S + be.

No, S + be + not.

1. I live in Ho Chi Minh city

-I don't live in Ho Chi Minh city.

-Do you live in Ho Chi Minh city ?

2. Mai and Lan are students

-Mai and Lan are not students

-What do Mai and Lan do?

3. She watches television every night.

-She doesn't watch television

-What does she do every night?

4. We have English on Friday.

-We don't have English on Friday

- What do we have English?

5. They play soccer after school.

- They don't play soccer after school.

- What do they do after school?

6.Nam does his homework at 7.30.

-Nam doesn't do his homework at 7.30

-What does he do at 7.30?

7.Mai’s school is in the country.

-Mai's school isn't in the country

-Where is Mai's school?

8. Classes start at 7.00.

-Classes don't start at 7.00

- What time do classes start?

9.My father is working now.

- My father isn't working now

- What is your father doing now?

10. Mai’s friends are playing chess.

-Mai's friends aren't playing chess

- What are Mai's friends doing?

11.They are travelling to Ha Noi

- They aren't travelling to Ha Noi

- Are they travelling to Ha Noi?

12. Lan is carrying a bag

-Lan isn't carrying a bag

-What is Lan doing?

13. The boys are playing soccer

- The boys are not playing soccer

- What are the boys doing?

14. Mr. Quang is eating his breakfast now

-Mr. Quang isn't eating his breakfast now

-Is Mr. Quang eating his breakfast now?

15. Miss Ha is my teacher.

-Miss Ha isn't my teacher

-Is your teacher is  Ms. Ha?

16. I’m waiting for my friend.

-I'm not waiting for my friend

-What are you doing?

17.She goes to the market every day

-She doesn't go to the market everyday

- Does she go to the market every day?

18. There is a big lake behind the house.

-There isn't a big lake behind the house

-Is there a big lake behind your house?

19.The baby is drinking milk.

-The baby isn't drinking milk

- What is the baby do?

20.We usually swims in the summer.

- We  don't usually go swimming in the summer

- Do we usually go swims in the summer?

CHÚC BẠN HỌC TỐT!