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mustn't和needn't
英语怎么变一般疑问句
答:
第一种:be + 主语 + 其它部分?一调:即把句中的be调到主语前;二改:改换主语称谓,即将句中的主语I\my \mines\we\our\ours等第一人称分别改为相应的第二人称you\your\ yours等;三问号:句末的句号改为问号。Eg: This is your English book.Is this your English book?Eg: These are ...
mus
t和
must be有什么区别?
答:
一、用法不同 1.must 用法:must后面只能跟动词,在这里must跟should,will等一样,都是一个助动词。例句:'You must be Emma,' said the visitor.来客说:“你肯定是埃玛。”2.must be 释义:must be后面跟名词或形容词,或者宾语从句,并没有语气强弱的意思。例句:He must be either mad or...
you
needn't
do it now改为被动语态是it
mustn't
be done by you now...
答:
不是,you
needn't
do it now 你不必现在就做 的被动语态是 it need not be done now (by you)by you 可以省略.句子也可以写成 it needn't be done now
如果说一个英语句子,...must...改为否定句是 must not还是
needn't
答:
I must go to see a doctor.我得看医生去。need可以对MUST引导的一般疑问句作否定回答。Really? Must I go with you?是吗?要我和你一起去吗?No, you
needn't
.不,没必要。must的否定式表示不准,不得等禁止的意思,或表示不可,不能,一定不要等劝告的意思。Ok, then, you
mustn't
forget...
can 、would 、could 、need的区别
答:
No, you
mustn
’t.No, you can’t.3)对must引出的疑问句,回答方式为:Yes, …must.No,…
needn
’t/ don’t have to.2. will, would, shall 的用法 (1) will 在一般疑问句中表示客气的“请求、劝说”。 would 是will 的过去式,语气更加客气、委婉。 如:Would you show me...
can`
t 和
musn`t的区别
答:
—No, you
mustn't
. 不,不可以.2.—Can I park my car here 我可以在这儿停车吗 —No, cars mustn't be parked here.不行,这里禁止停车.四,need not或
needn't
表示"不必".如:—Must I finish the work at once 我必须马上完成这工作吗 —No, you needn't(don't have to).不,你...
mustn't
have done和can't have done的区别最好有例子
答:
mustn't
have done: 虽然是推测,但跟事实是一样的,即“一定没有做完某事,以至于对现在还有影响”;He mustn't have done this project. 他必定没有完成这项工程。但是一般不这样用,而是通常用于反义疑问句,如:He must have done this project, hasn't he?他一定已经完成这项工程 can't ...
mustn't
have done和can't have done的区别最好有例子
答:
首先have done表示已经做过,这点就不用谈了.can't have done 表示以前不可能做某事.例句 ---Where___Margaret have put the empty bottles?---She___them away.They must be somewhere.A.can;can't have thrown B.must;must have thrown.C.must;
needn't
D.can;must throw 答案为A.第一...
mustn't
have done和can't have done的区别最好有例子
答:
首先have done表示已经做过,这点就不用谈了.can't have done 表示以前不可能做某事.例句 ---Where___Margaret have put the empty bottles?---She___them away.They must be somewhere.A.can;can't have thrown B.must;must have thrown.C.must;
needn't
D.can;must throw 答案为A.第一...
could,would,should三个词有什么不同?请系统阐述。比如用法什么的_百 ...
答:
1、could:could为助动词can的过去式,其后可接不带to的动词不定式。could有两种否定形式,即couldno
t和
could not,其缩写形式为couldn
't
。2、would:would也可用作情态动词will的过去式,用于陈述语气时可表示过去的意志、决心、习惯或反复性的动作,表示关于过去的或然性、似真性或揣测。3、should:...
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