dare,shall,should,would作为情态动词时怎么回答

疑问句中出现这几个情态动词时，yes或者no后面情态动词要做什么变化吗？

Dare you try again? No,I dare not. Yes,I dare.(这里dare后面要加to吗，因为情态动词dare一般不用于肯定句).
Shall we do that immediately? No ,we shall not. Yes,we shall.（可以这样回答吗？shall用作情态动词时可以用于第一人称的肯定句吗？）
Should he do homework now? No, he shouldn't. Yes, he should.(这个应该没错吧)
Would you please open the door? Yes ,I will. NO, I won't.(此处是用will还是用would来回答呢？)

5. No mistakes can be made during paper cutting,or the work would fail.(这里would不是用于表示过去，也不是表示推测，请问为什么用过去式呢？）

谢谢各位老师的解答。

学英语要灵活，不能死板。知道一般疑问句的一般回答规律是一回事，具体语境中如何回答是另一回事。就好比汉语，你吃了吗？吃了/没吃呢。但：您贵姓？就不能回答：我贵姓王。而是：免贵姓王。

英语也是如此，当问话人用很礼貌的形式问你时，情态动词表示对你的尊重，你回答时就要避开这个情态动词。以下是实际交际中，可能的答句：

Dare you try again? Why not? / No, I won't do it again.

Shall we do that immediately? Yes, we/you must. / No, we/you don't have to./we/you needn't.

Would you please open the door? Ok/No problem. / Sorry, I can't.

No mistakes can be made during paper cutting, or the work would fail.

这就是所谓的“含蓄虚拟条件句”的情况之一。or=otherwise. 暗含了一个if 从句：If any mistake were made during paper cutting, the work would fail.

曹荣禄 -

擅长：动词用法,句法问题 | 采纳率 82% | 回答于 1秒前

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