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must have to do
英语need should
must
have
to
答:
都可作情态动词,need做情态动词时,后接动词原型,做一般动词时,要接不定式,should后接动词原型,should
have
done
表示本应该做而没有做,
must
后接动词原型,must have done 意为一定做了某事,have
to
意为不得不做某事,它和must的区别是,must表示主动做某事,have to 表示被动,不得不做某事。
关于
must
/
have
to
do
...if...be to do...
答:
都对,除过health要改成:healthy
...什么时候用“
had
to
do”,什么时候用“
must
have
done
”?_百度...
答:
,
have
to
do 的过去式是
had
to do 表示不得不做某事。
must
have
done
是对过去发生的事情表示猜测,一定做了某事,也可以是本必须做某事确因为什么事而没有做。
must
to
do
用法
答:
must
是情态动词,后面都是直接加
do
,没有
to
do的用法。只有
have
to do
英语need should
must
have
to
答:
二、need
to
do
,否定形式为don't need to,肯定回答为Yes,I do.否定回答为No,I don't.用
must
提问时,肯定回答要用must,否定回答要用need,比如:A:
Must
I do it now? B:Yes,you must./No,you needn't.
have
to解释为不得不,后面跟动词原形。比如:I have to go now.不懂再问!
情态动词can,
have
to
和
must
的区别
答:
What can I
do
for you?我能帮你什么忙吗?2.
have
to
意为“不得不”.能用于各种时态.You have to consider what to do next.你必须考虑下一步该做什么。You have to keep after your son if he refuses to be housebroken.如果你儿子不服管教的话,你必须整天跟在他的身边。3.
must
表示义务...
need,
must
和
have
to
的区别
答:
need:需要;必要;需求;有———必要;贫穷;危急 She feels the need of companionship.她感到需要友谊。
must
:[表示义务、命令或必要]必须, 应当 Soldiers must obey orders.军人必须服从命令。【说明】过去、未来、完成等式可用
have
to
的相应形式来代替, 例如: I must [have to]
do
it today....
非要做某事的英文是
must
to
do
还是must do
答:
语法:表示义务或强制,含意是“必须”“应当”,其否定结构表示“不许可”或“不应该”,用于一般疑问句时,表示征求对方的意见,其肯定答语用Yes, please或I'm afraid so,否定答语用needn't或don't
have
to
,
must
在间接引语中表过去。例句:We must
do
it whole-heartedly, not half-heartedly....
问一下may,can,
must
,could提问时该怎么回答?
答:
may:肯定may 否定mustn't can:can can't
must
:
have
to
do
don't have to do could:肯定sure certainly of course 否定 certaintly not, of course not 记得给分哦
have
to
和
must
怎么变成一般疑问句(是have to不是have)
答:
have
to
变一般疑问句时在句首加
DO
2 把
must
提到句首。如 They have to clean the floor . ->
Do
they have to clean the floor ?They must clean the floor .->
Must
they clean the floor ?加油!不明白再问!如果帮到你,请采纳,谢谢!
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