Read the Learn this! box. a) Underline must/have to + infinitive in the dialogue. Then complete the following sentences using must mustn't have to don't have to.
1 A hotel receptionist ______ be good at communication.
2 You ______ pay for the tickets in advance.
3 Examinees ______ switch off all modern gadgets during the exams.
4 You ______ leave litter lying around.
LEARN THIS! Must vs have to a Must and have to both mean obligation. Must expresses obligation imposed by the speaker while have to expresses external obligation. b Mustn't: it's necessary not to do something You mustn't use a dictionary during your test. c Don't have to: it's not necessary to do something You don't have to answer all of the questions. |
a) In đậm
Freya: I can't find my camera, Archie.
Archie: There it is. It's under your bag. Why do you have to bring it to class?
Freya: I must take it to my photography class today. By the way, I didn't understand that email you sent
me yesterday.
Archie: I didn't send any emails yesterday.
Freya: Well, you might have sent it earlier. But I got it yesterday.
Archie: I can't have sent you an email. My phone hasn't been working for a week.
Freya: Somebody must have used your account. The email had a link to a competition, but when I clicked on it, nothing happened.
Archie: Oh no! You shouldn't have clicked on the link. You've possibly downloaded some malware onto your phone.
Freya: That's terrible! You should have warned me earlier.
Archie: I didn't know! Anyway, you might not have downloaded anything. It's possible that you were lucky. You just need to wait and see.
Freya: Anyway, you need to warn your other friends. That email could have gone to everybody in your address book!
b)
1 A hotel receptionist must be good at communication.
(Lễ tân khách sạn phải giỏi giao tiếp.)
2 You have to pay for the tickets in advance.
(Bạn phải trả tiền vé trước.)
3 Examinees must switch off all modern gadgets during the exams.
(Thí sinh phải tắt tất cả các thiết bị hiện đại trong khi làm bài thi.)
4 You must not leave litter lying around.
(Bạn không được để rác bừa bãi.)
