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英文mustn't,don't have to,doesn't have to,didn't have to有什么区别
这几个词各自的意思是什么?
我是在做练习时遇到这题目.要我选择哪一题用哪一个词.
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推荐答案 2007-11-09
mustn't是“禁止”的意思,凡用此的后面一定跟绝对不能或绝对不允许做的事。don't have to,doesn't have to,didn't have to三个都是 “没有必要做” 的意思只是在时间和对象的使用上有区分;don't have to用于一般现在时的复数或对本人的叙述上,doesn't have to用于一般现在时的单数人称,而didn't have to则用于过去时中(此时不用管单复数)。
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第1个回答 2007-11-09
mustn't,比don't have to语气强烈,其他的就是时态和第几人称的问题本回答被提问者采纳
第2个回答 2007-11-09
前两个意思接近 大多数情况下可以互换
后三个只是时态和人称的不同
分别为:第一二人称一般现在式,第三人称一般现在式,一般过去式
相似回答
No.20 一分钟了解
mustn
't和
don
't
have
to
的区别
视频时间 00:57
mustn
't和
dont
't
have
to有什
么区别呢?
答:
mustn't表示,"禁止",而don'
t have to
“表示不需要”例如:you mustn't run againt the traffic light你一定不能闯红灯!you don't have to finish it in such a short time.你并不需要在那么短的时间内完成它!
must 和
have
to
的异同?
mustn
't 和
don
't have to 的异同?
答:
1.can表示“能够”,can't是“不能”2.must表示“必须,应该”,
mustn
‘t是“禁止”恰恰相反 3.needn't表示“不必要的”4.be allowed to表示“被允许做某事”5.have to表示“不得不,必须”don't have to 表示“...
mustn
't mustn't
to
haven't to
don
't haven't to
答:
mustn
't 是很强烈的语气,表"不准,禁止"没有 mustn't
to
这种用法
have
to 是客观原因 "不得不,必须" 一般不存在用haven't to 表否定,多用
don
't have to 没必要.
must 和
have
to
的异同?
mustn
't 和
don
't have to 的异同?
答:
mustn
't表示,"一定不行",而
don
't
have
to
表示不需要.比如 you mustn't run againt the traffic light你一定不能闯红灯!!you don't have to finish it in such a short time.你并不需要在那么短的时间内完成它...
must和
haveto有什
么不一样?
mustn
't和
don
'
thave
有什么不一样?
答:
mus
t,haveto
不得不两者没有严格的区别,语气上有不同 must主观 haveto客观
mustn
't和
don
'
thaveto
意思不同 mustn't不可以,不允许做某事 don'thaveto不必要做某事 eg:youmustn'tgooutnow.你现在不可以出去 youdon't...
must和haveto的异同?
mustn
't和
don
'
thaveto
的异同
答:
This is a rule. Everyone must(必须,有义务) obey it. (此句如果用
have
to
也是可以的,但是语气中充满了强制性。)否定句的差别很大
,mustn
't表示禁止,意思是不可以,而
don
't have to表示不是非...不可,未必,...
must和haveto的异同?
mustn
't和
don
'
thaveto
的异同
答:
must=必须、一定(没有选择),
have
to
=只能(只有这一个选择)must not=必须、一定不能(没有选择)
, do n
ot have to=不是只能(不是只有这个选择)
mustn
'
t ,
can't, shouldn'
t, don
't
have
to
的区别(具体)
答:
mustn
't 绝对禁止 can't 不能,不可以 shouldn't 不应该
don
't
have
to
没必要
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