1. Fill in each gap with the correct modal verb.

(Điền động từ khuyết thiếu đúng vào mỗi chỗ trống.)

1. We have to be at the exhibition before 9:00 a.m. (It is our obligation. The leader says so.)

2. You ______ play computer games too much. (I advise you not to.)

3. You ______ enter the computer lab (You don’t have permission.)

4. You ______ use cell phones in class. (It’s against the rules.)

5. ______ I leave class early today? I have a stomach ache. (Is it OK if …).

6. We ______ respect our teachers. (It’s our obligation. I say so.)

7. You ______ cook tonight. We’ll eat out! (It isn’t necessary.)

2. Choose the correct option (Chọn đáp án đúng.)

1. 

A: I’m going to shopping later. I want to buy a new tablet.

B: You should/can go to the new mall. It’s great. 

2.

A: Do you spend too much time in front of the screen?

B: Yes, the doctor says I must/have to stop using my computer that much. 

3.

A: Is it OK to wait here?

B: Sorry, you don’t have to/can’t. Please wait outside.

4. 

A: The computer class starts at 7:00

B: We don’t have to/mustn’t be late.

5. 

A: You mustn't/don’t have to buy tickets/ Entrance is free.

B: Really?

6. 

A: You don’t have to/mustn’t enter the computer lab. 

B: I’m sorry. I didn’t see the sign. 

 3. Rewrite the sentences using the correct modal verbs:

(Viết lại các câu sau sử dụng đúng động từ khuyết thiếu.)

1. You have permission to go.

2. It’s against the rules to eat in the computer lab.

3. Is it OK if I take some pictures?

4. It’s our obligation to respect the rules.

5. I advise you not to eat too much fast food.

6. It’s not necessary to call Mark.

7. It’s the rule to wear gloves in the lab.

8. I advise you to go jogging every day. 

4. Complete the sentences. Then practise with your partner. 

(Hoàn thành các câu sau. Sau đó luyện tập với bạn cùng bàn.)

1. I can ________________ .

2. I can’t _______________ .

3. Can I ________________ ?

4. I must ________________ .

5. I mustn’t _______________ .

6. I have to _______________ .

7. I don’t have to ___________ .

8. I should ________________ .

9. I shouldn’t ______________ .

5. Talk about rules at your home and school. Use can/can’t, should/shouldn’t, must/mustn’t or have to/don’t have to.

(Nói về các quy định ở nhà và ở trường. Sử dụng can/can’t, should/shouldn’t, must/mustn’t hoặc have to/don’t have to.)

A: I have to go to bed before 10 p.m.

B: I can go to bed a bit late at the weekend.

(A: Tôi phải đi ngủ trước 10 giờ.

B: Tôi có thể đi ngủ muộn một chút vào cuối tuần.)

A: We mustn't talk when the teacher is giving lessons.

B: We can ask questions when we don’t understand something. 

(A: Chúng ta không được nói khi giáo viên ra bài.

B: Chúng ta có thể trả lời các câu hỏi khi chúng ta không hiểu gì đó.)