内容正文:
Unit 7 Signs around us
复习课
information
direction
It means …
It is a/an …sign.
3
no+ v.ing = We/ You mustn’t do 禁止做=Don’t do 不要做 (祈使句)
No fishing. = We mustn’t fish here.= Don’t fish.
Words and Phrases
No smoking.
= We /You mustn’t smoke here.
= Don’t smoke.
No swimming.
= We /You mustn’t
swim here.
=Don’t swim here.
No parking.
= We /You mustn’t
park cars here.
= Don’t park cars.
No climbing.
= We /You mustn’t
climb here.
= Don’t climb here.
5. Must 引出的一般疑问句
肯定回答:Yes, ... must.
否定回答:No, ... needn't.
— Must I finish my work this week?
— Yes, you must.
我必须这周完成工作吗?是的,你必须完成。
— Must we clean the window now?
— No, you needn't.
我们必须现在擦窗户吗?不,不必。
Words and Phrases
must 为情态动词,后加 v. 原型
含must的一般陈述句改为一般疑问句时,把must 提前即可
1. —Must I finish the homework now?
— _______. You can hand them in tomorrow.
A. Yes, you must. B. Yes, you need
C. No, you mustn't D. No, you needn't
2. —Must I wear the uniform at school?
— _______. But you can wear you own clothes at weekeds.
A. Yes, you must. B. Yes, you need
C. No, you mustn't D. No, you needn't
3. —Must I finish the work now?
— _______. The boss is looking forward to it.
A. Yes, you must. B. Yes, you need
C. No, you mustn't D. No, you needn't
4. We must finish our homework by ourselves.
(改为一般疑问句)
_______ we _______ our homework by ourselves?
Must finish
5. 并列句连词
“or” 表示“否则”
“and”表示“那么”
Words and Phrases
1. Hurry up, _______ you will miss the early bus.
A. or B. and C. then D. but
2. Study hard, _______ you will get good marks.
A. or B. and C. then D. but
Use
used to do 过去常常做某事…
be used to do 被用来做某事…
be used to doing 习惯于做某事…
他过去常常吃很多垃圾食品。
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