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mustn't ,can't, shouldn't, don't have to的区别(具体)
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第1个回答 2013-04-15
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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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
can
can't must
mustn
't
have
to
don
't have
to的区别
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“不应该做某事”6.must和have to都表示“必须”,must强调主...
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