高手们帮忙解答一道有关need的专四英语选择题There being no cause for alarm,you ___in such a panic yesterday.A.need not have acted B.did not need to act C.did not need to have actednot need句型?

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高手们帮忙解答一道有关need的专四英语选择题Therebeingnocauseforalarm,you___insuchapanicyesterday.A.neednothaveactedB.did

高手们帮忙解答一道有关need的专四英语选择题There being no cause for alarm,you ___in such a panic yesterday.A.need not have acted B.did not need to act C.did not need to have actednot need句型?
高手们帮忙解答一道有关need的专四英语选择题
There being no cause for alarm,you ___in such a panic yesterday.
A.need not have acted
B.did not need to act
C.did not need to have acted
not need句型?

高手们帮忙解答一道有关need的专四英语选择题There being no cause for alarm,you ___in such a panic yesterday.A.need not have acted B.did not need to act C.did not need to have actednot need句型?
一般不用do not need这种句型.need在否定或是疑问句中一般自己作为助动词,不需要加其他的助动词.

agree with you

不知道,我感觉从句法上讲,B也是完全正确的
There being 是什么结构? There was不行吗?

用作完成时态的时候一般不用你说的句型的

是这样的，need有情态动词和实意动词两种。情态动词后直接加动词原型，如原体。实意动词的用法：need doing sth ,need to be done .只有这两种。其它都是错的。如你所用，do not need 就是十一动词的用法。符合规则就可以得。

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