must-have to

1 Choose the correct option.

(Chọn phương án đúng.)

1 According to hospital rules, all visitors have to/must leave by 9 p.m.

2 You don't have to/mustn't go to the beach today- you've got sunburn!

3 The doctor says I have to/must start eating more healthily.

4 My dad doesn't have to/mustn't get up early today because it's Sunday.

5 I really have to/must go to the dentist's soon-it's been six months.

6 You've got a nosebleed! Quick-you have to/must put your head back!

7 Mum doesn't have to/mustn't make me a tea with honey-my throat isn't sore anymore.

8 We have to/must keep medicine in the fridge, especially syrups.

9 Jessie doesn't have to/mustn't touch her rash all the time-it will get itchier.

10 I have to/must stay in tonight. I just feel tired.

Phương pháp

2. Complete the second sentences to express a similar meaning to the given ones. Use the correct forms of must or have to.

(Hoàn thành câu thứ hai để thể hiện ý nghĩa tương tự với những câu đã cho. Sử dụng dạng đúng của must hoặc have to.)

1 It's a rule that children be with an adult in the hospital.

Children _________________________________

2 It isn't necessary for you to see a doctor for hay fever.

You _________________________________

3 Nurses are obliged to arrive at work on time.

Nurses _________________________________

4 Going to work with the flu is prohibited.

You _________________________________

5 It's urgent that someone calls an ambulance.

Someone _________________________________

6 It's against the rules for us to talk loudly in this part of the hospital.

We _________________________________

7 My dad thinks it's necessary for me to stay home from school today.

I _________________________________

8 It's absolutely necessary for you to follow the doctor's advice.

You _________________________________

should- ought to - had better

3. Choose the option (A, B, C or D) to indicate the sentence that is closest in meaning to each of the following sentences.

(Chọn phương án (A, B, C hoặc D) để chỉ ra câu gần nghĩa nhất với mỗi câu sau.)

1 I think it's best that you avoid playing football because your ankle injury hasn't healed yet.

A You shouldn't play football.

B You had better not play football.

C You don't have to play football.

D You mustn't to play football.

2 It's a good idea for pupils to recover fully before they return to school.

A Pupils ought to recover fully before returning to school.

B Pupils had better recover fully before returning to school.

C Pupils must recover fully before returning to school.

D Pupils have to recover fully before returning to school.

3 You'll catch a cold if you go running in the rain.

a You mustn't go running in the rain.

b You had better not go running in the rain.

c You don't have to go running in the rain.

d You ought to not go running in the rain.

4 You have had that cough for some time and it's getting worse.

a You ought see a doctor.

b You had better see a doctor.

c You should see a doctor.

d You have to see a doctor.

5 It's good advice for teens to eat fast food rarely.

a Teens must eat fast food rarely.

b Teens had better not to eat fast food rarely.

c Teens have to eat fast food rarely.

d Teens should eat fast food rarely.

6 In general, it's best to drink lots of water before exercising.

a You must drink lots of water before exercising.

b You have to drink lots of water before exercising.

c You should drink lots of water before exercising.

d You had better to drink lots of water before exercising.

4. Rewrite the second sentence so that it has the same meaning to the first one. Use the word(s) in brackets.

(Viết lại câu thứ hai sao cho nghĩa không đổi so với câu thứ nhất. Sử dụng các từ trong ngoặc.)

1 Don't ignore that toothache, Tom. It's really bad. (HAD BETTER)

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2 It's not necessary for you to see the doctor. You can use lá lot to help you. (HAVE TO)

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3 It's against the rules for students to come to school when they have the flu. (MUST)

_________________________________________

4 It's a good idea for Jack to put some ginger in Grandma’s tea. (OUGHT TO)

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