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—No, you needn’t./No,you don't have to.不,你不需要。
4. must
◆表示主观看法,意为“必须,一定”(2010年31题)。如:You must finish your homework first! 你必须首先完成你的家庭作业!
◆表示肯定推测,意为“一定,肯定”,表示非常有把握的肯定推测,100%的可能性(2012年35题)。如:They must be very tired after a long walk. 走了这么长的路,他们一定很累了。
5. mustn’t
◆意为“一定不要,禁止”。 如:You mustn’t play football on the road.你不准在马路上踢足球。
6. shouldn’t
◆意为“不应该”。如:We shouldn't waste water.我们不应该浪费水。
7. may
◆表示请求、许可,意为“可以”(2013年34题)。如:May I come in?
◆意为“有可能,也许”,用于肯定句,表示把握不
大的推测。如:Your sister may be waiting for you
now. 你的妹妹/姐姐现在也许正在等你。
8. had better
◆意为“最好要,最好做某事”。如:You had better have breakfast, or you will not focus on your work.你最好吃早餐,否则你将不能集中注意力在你的工作上。
9. have to
◆意为“得”,“不得不”,多表示客观必要。如:I have to go to work every day. 我每天不得不去上班。
1.-- ____ you pass me a pen? I'd like to write down the phone number.
-- Sure. Here it is.
A.Can B.Need C.Might D.Must
2. -- May I go to the cinema, Mum?
-- Certainly, but you ___ be back by 11 o'clock.
A.can B.may C.must D. need
3. you ___ worry about me. It's nothing serious.
A.can't B.mustn't C. needn't D. won't
4. -- Excause me. Is this the right way to the
Summer Palace?
-- Sorry, I'm not sure. but it ____ be.
A.might B.mustn't
C.can't D.must