2 Rewrite the sentences using the words in brackets.

(Viết lại các câu sử dụng các từ trong ngoặc.)

1 The students have an obligation give their presentations at school tomorrow. (MUST)

2 It's against the rules to be late for the class. (MUSTN'T)

3 It was necessary for him to bring money for lunch on the school trip. (HAD TO)

4 You don't have permission to enter this room. (CAN'T)

5 I don't think it's a good idea for you to play computer games every day. (SHOULDN'T)

1. Study these sentences. Then complete rules 1-4.

(Nghiên cứu những câu dưới đây. Sau đó hoàn thành quy tắc 1-4.)

You have to be a really strong swimmer.

(Bạn phải là một vận động viên bơi lội thực sự mạnh mẽ.)

I must get really good marks.

(Tôi phải đạt điểm thật cao.)

I don't have to make a decision right now.

(Tôi không phải đưa ra quyết định ngay bây giờ.)

My friends say I should become a nurse.

(Bạn bè của tôi nói rằng tôi nên trở thành một y tá.)

You mustn't do something you aren't sure about.

(Bạn không được làm điều gì đó mà bạn không chắc chắn.)

I don't need to do an apprenticeship.

(Tôi không cần học nghề.)

RULES

1. We use ……….. to say something is necessary because of a situation or a rule.

We use ……… and need to when the speaker feels that it is very important to do something, or when we talk about written rules.

2. We use ….…… and its negative form ………. to give advice, or to say something is a good or bad idea.

3. We use ………. to talk about something that is prohibited.

4. We use ....…. and ………. something to say isn't necessary.

2. Complete the school rules using the verbs in exercise 1.

(Hoàn thành các quy định của trường sử dụng các động từ trong bài tập 1.)

SCHOOL RULES

1. Students ……. arrive at school before the bell rings.

2. Students ……. wear school uniforms, but they ….... dress smartly.

3. Students ……. cheat in exams.

4. Students …….. do their homework on time.

5. Students ……. ask for help if they feel they're not making progress.

3. Study these situations. Write sentences describing the solution using the verbs in brackets.

(Nghiên cứu những tình huống này. Viết câu mô tả giải pháp sử dụng các động từ trong ngoặc.)

Lee wants to be a doctor. He spends all his time watching TV. (need to)

Lee needs to study more.

1. Chad has an interview for college on Monday. He has a busy weekend planned with his friends. (shouldn't)

2. Rea is studying to be a physicist. She isn't very good at maths. (have to)

3. Marina talks too much in class. She failed her last history test. (mustn't)

4. Aidan is a homeschooler. He wants to have more friends. (should)

5. It's the summer holidays. Nicola's still studying. (don't have to)

12. Choose the correct words.

(Chọn từ đúng.)

1. You mustn't / don’t have to / don’t must cheat in exams.

2. If you need help, you should to / need / should talk to your teacher.

3. I’m not thirsty, so I shouldn’t / don’t need / needn't to stop and have a drink.

4. You mustn't / don’t need / don’t have to do this extra homework. It’s your choice.

5. We must / have / need arrive on time to school every day.

6. Rosie has / have / need to catch the next bus.

3 Choose the correct options.

(Chọn những đáp án đúng.)

1 Students have to/must fill in a form to join the music club. It’s a rule.

2 I must/mustn't improve my computer skill. I want to become an IT technician in the future.

3 You don't have to/mustn't pick me up after school. I'm getting a ride home with Susan's mum.

4 A: How was your weekend, Sally?

B: Nothing special. I have to/had to do research for my presentation.

5 A: You don't have to/mustn't run in the school halls, children!

B: Sorry, Miss. We're late for our next class.

6 A: How was your presentation yesterday?

B: I mustn't/didn't have to give my presentation because my school organized a clean-up day.

4 Choose the correct options.

(Chọn những đáp án đúng.)

1 You               study harder if you want to improve your English.

A could                    B must                   C can                    D had to

2                       your notes? I missed the class yesterday.

A Must I borrow                 C Do I have to borrow

B Should I borrow               D Can I borrow

3 He ___ help me with the project because I knew what to do.

A shouldn’t                  B didn’t have to                      C doesn't have to                      D couldn't

4 Barry ___ read well when he was seven.

A can        B had to          C could                  D should

5 My mum ___ wear a uniform when she was at school.

A must           B had to                C can              D should

6 We___ take any books into the exam room. It’s against the rule.

A mustn’t              B don’t have to              C shouldn't               D must

5 Ask and answer about your school life using modals.

(Hỏi và trả lời về cuộc sống học đường của em bằng cách sử dụng các động từ khuyết thiếu.)

A: Do you have to wear a school uniform?

(Bạn có phải mặc đồng phục học sinh không?)

B: No, but we mustn't be late for class.

(Không, nhưng chúng tớ không được trễ học.)

5 Choose the correct options.

(Chọn những đáp án đúng.)

1 You mustn't/don't have to talk in the library. It's against the rules.

2 I must/mustn't improve my presentation skills to be a good presenter.

3 You can't/don't have to bring your tablet. I'll bring mine.

4 You could/should go to sleep early the night before the exam.

5 Can/Should we play baseball after school, please?

6 You shouldn't/couldn't be stressed about exams. It's not good for your health.

7 You have to/should wear a uniform to school. It's a rule.

1 Choose the correct options.

(Chọn các đáp án đúng.)

1                       do my homework on Sunday, not now? I want to go shopping now.

A Do I have to      B Can I       C Should I         D Must I

2 You               copy from another student on a test. It's against the rules.

A haven't                  C couldn't

B don't have to         D mustn't

3 Because you're sitting an exam tomorrow, you                    go to bed early.

A can      B could         C should        D mustn't

4 Sylvia                        present her ideas to the class very clearly. She should be our speaker.

A can     B must       C should        D has to

5 We                 do the test yesterday because our teacher was off.

A shouldn't

B can't

C didn't have to

D mustn't

6 Molly                        swim when she was four.

A could

B can

C should

D must

7 You               pick me up after football practice. David's mum is taking me home.

A don't have to

B couldn't

C shouldn't

D mustn't

8 Fiona                         do all her homework before she can play computer games.

A has to

B can

C could

D had to

Choose the letter A, B, C or D to complete the sentences.

Before beginning the meal, we should __________ for the oldest person to start.

Choose the letter A, B, C or D to complete the sentences.

He __________ try to be more punctual; or else, the manager will get angry.