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问题: 初中英语难题

请问:这个为什么要选C?
Not only _____ do this work,but also ____finish it on time.
A、you should,you should
B、should you,should you
C、should you,you should
D、you should,should you

详细加分。

解答:

这属于关联连词位于句首时引起的倒装

(1). not only...but also引起的倒装
  not only...but also位于句首所引起的倒装句为部分倒装形式,如果谓语动词为be的一般现在时形式或一般过去时形式,则为完全倒装形式。如:
   Not only should we not be afraid of difficulties, but also we should try our best to overcome them. 我们不仅应该不怕困难,而且应该尽最大努力去克服它们。

(2). neither...nor引起的倒装
  neither...nor位于句首引起的倒装句为部分倒装形式,如果谓语动词为be的一般现在时或一般过去时,则为完全倒装形式。如:
  Neither Peter wanted the responsibility,nor did his wife. 彼得不想担此责任,他妻子也不想担此责任。

(3). hardly...when/no sooner...than引起的倒装
  hardly/scarcely/barely...when或no sooner...than位于句首所引起的倒装句为部分倒装形式,如果谓语动词为be的一般现在时或一般过去时,则为完全倒装形式。如:
  Hardly had he arrived when/No sooner had he arrived than he was asked to leave again.  他刚到就又被请走了。

(4). so...that引起的倒装
  so...that位于句首所引起的倒装句为部分倒装形式,如果谓语动词为be的一般现在时或一般过去时,则为完全倒装形式。如:
  So angry was he (He so angry) that he couldn’t speak. 他如此愤怒,以致说不出话来。

(5). such...that引起的倒装
  such...that位于句首所引起的倒装句为部分倒装形式,如果谓语动词为be的一般现在时或一般过去时,则为完全倒装形式。如:
  Such was the force of the explosion that all the windows were broken. 爆炸的威力如此之大,以致所有的窗户都被震破了。
  (资料来源:《薄冰实用英语语法详解》)