(中学) 情态动词问题It's nearly 7 o'clock.Jack ___be here at any moment.A.mustB.needC.shouldD.can但为什么不能用can啊?With so much work on hand,you___ to see the game last night.A.mustn't goB.shouldn't goC.couldn't have goneD.should

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(中学) 情态动词问题
It's nearly 7 o'clock.Jack ___be here at any moment.
A.must
B.need
C.should
D.can
但为什么不能用can啊?
With so much work on hand,you___ to see the game last night.
A.mustn't go
B.shouldn't go
C.couldn't have gone
D.shouldn't have gone
但为什么不是couldn't?表对过去的猜测

解决第一题,
你可以看到,句意是说jack本应该来应该在这,但是现在却不在.should有这个意思.而can是表示jack能在这
第二题是这样的.
仔细看题干,他的意思是,你不应该去看比赛.但是事实上已经去看了比赛.
有个固定句型:
shouldn't have done 表示本不应该做而做了.

It's nearly 7 o'clock. Jack ___be here at any moment.
A.must
B.need
C.should
D.can
答案是C,但为什么不能用can啊?---should(应该)at any moment(随时),而can用于表推测一般用于“否定句”和“疑问句”中。
With so much work ...

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It's nearly 7 o'clock. Jack ___be here at any moment.
A.must
B.need
C.should
D.can
答案是C,但为什么不能用can啊?---should(应该)at any moment(随时),而can用于表推测一般用于“否定句”和“疑问句”中。
With so much work on hand, you___ to see the game last night.
A.mustn't go
B.shouldn't go
C.couldn't have gone
D.shouldn't have gone
答案是D,但为什么不是couldn't? 表对过去的猜测----shouldn't have done sth.表示本不该做的事实际上却做了;而couldn't have done sth表示本不可能做某事却做了
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(中学) 情态动词问题It's nearly 7 o'clock.Jack ___be here at any moment.A.mustB.needC.shouldD.can但为什么不能用can啊?With so much work on hand,you___ to see the game last night.A.mustn't goB.shouldn't goC.couldn't have goneD.should It's near the ---It's seven o'clock already.Mary____be home by now.情态动词的用法? ---It's seven o'clock already.Mary____be home by now.情态动词表示判断的用法? 如何把一般陈述句变成一般疑问句含系动词be 含情态动词 can must 含实意动词如主语为第三人称单数(he she it Mary )谓语动词加了s或es Where's my desk?It's near the w(). 可以(情态动词) 过去式 need的实意动词和情态动词的用法区分(后加物)need 作为情态动词,后接动词原形,一般用在疑问句和否定句中作为实义动词,人作主语时后接to do ; 物作主语时后接doing 或 to be done It's cold ,you it's near Orlando 还是it's near to Orlando. it's near the librarykuai can情态动词问题—I’ve taken someone else’s green sweater by mistake.—It ______ Harry’s.He always wears green.(2005年广东省高考题) A.could be B.will be C.mustn’t be D.has to be 为什么选Acan(could)表推测的时候不 初中英语问题··········有关于情态动词的说来惭愧呀~最近来情态动词的语法都忘了,所以请各位多多指教~May I go boating alone in the river No,you ---.It's dangerous.1.mustn't 2.dont't 3.needn't 4.haven't It's getting cool is是助动词 getting 是主要动词吗It gets cool gets 是系动词吗从含义上分动词可分为:实义动词、连系动词、助动词、情态动词 按这个范围回答 It's near the posi office(改为一般疑问句) 英语:用情态动词should,shouldn't及It's+形容词+(for sb)to do sth.句型造句 关于情态动词can的问题 情态动词can何时解释成“能”,何时表示猜测? 情态动词和形容词的问题.情态动词不能直接跟形容词吗?怎样才能接形容词? 英语语法问题 He can play the piano.play不加S 是因为它不是谓语动词还是因为can是情态动词 或者两个猜想都是对的?情态动词是can还是play?