情态动词could,might,may,must,can't的用法,要求：一定是初三阶段的.初三EEC学过的,

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情态动词could,might,may,must,can''t的用法,要求：一定是初三阶段的.初三EEC学过的,情态动词could,might,may,must,can''t的用法,要求：一定是初三阶段的

情态动词could,might,may,must,can't的用法,要求：一定是初三阶段的.初三EEC学过的,
情态动词could,might,may,must,can't的用法,要求：一定是初三阶段的.初三EEC学过的,

情态动词could,might,may,must,can't的用法,要求：一定是初三阶段的.初三EEC学过的,
A.could:
1."can" 的过去式:
They asked if I could drive a car; I said I couldn't; She asked if she could go.
2.表示一种可能:I could go but I'm not going to; I could do it next week if you helped me; you could take the car tomorrow if it's raining; 有礼貌的用法:could I see you tonight?Could you come over here?
B.might:
1."may" 的过去式:I thought I might find you here.
2.可能:He might win if he tries hard.
3.会:You might help me clean the car!
C.May:
1.You may go home now.可以
2.He may be here,I don't know.可能
3.May you live a long and happy life.祝愿
D.must:
1.We must go to the shops to get milk.必须
2.They must be finding it very difficult to live in such a small house.很可能
3.You must come home before midnight; All competitors must be under 15 years of age.应当
E.cannot=can't
1.Can't you drive?
2.Can't you do it?你不能做?
3.You can't go if you are below 18 years old.不可去

1。这些词后面只能接动词原形
2。could 过去不能/委婉请求 Would you please do sth？can't表示“不可能”
3。may, 可能；might ，may 的过去式
4。must,表示主观上的“必须” I must finish the homework before ten tonight（我被要求）

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must+be+n/adj/pron 只用于肯定句，表示对现在状态和情况的猜测
must+be+doing只用于肯定句，表示对现在正在进行的动作的猜测
may+be+n/pron/adj只用于肯定句，表示对现在状态和情况的猜测
may+be+doing只用于肯定句，表示对现在正在进行的动作的猜测
could/might+have+PP 可用于肯定句、否定句和疑问句，表示过去可能......
can+be+n/pron/adj一般只用于否定句和疑问句。表示对现在状态和情况的猜测，以为不可能...或可能.....吗？
can+be+
doing一般只用于否定句和疑问句表示对完成的事情进行猜测，意为不可能在做或可能在做.....
can+have+pp一般只用于否定句和疑问句。表示对完成的事情进行猜测，意为不可能已经...或可能已经....
累死我了....

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