《韋氏高階》（P1294）中may 表可能，便有如下例子：

—used to indicate that something is possible or probable

Itmaypossibly be true, mightnt it? [= it could possibly be true, couldnt it?]

Mayit not [=mightnt it, couldnt it] after all turn out to be true?

這樣的情況反意疑問句應(yīng)該和情態(tài)動詞后的動詞/系動一致，另，may表可能，也不應(yīng)用于疑問句中



Re:另，may表可能，也不應(yīng)用于疑問句中

--- 假如你前句是推斷，后句你又推斷，等于是推斷2次，一定不是如此。

反詰部分不是自己再怎么樣，而是問他們?nèi)绾蝹�看法。主要起著核實(shí)有哪些用途。

事實(shí)上，反詰部分結(jié)構(gòu)上可以使用順著來的方法，也可另起一句，如Am I right? / What do you think? 等, 當(dāng)然如此也即使不上是反義疑問句了。

下面是韋氏詞典的概念：

Definition oftag question

a question added to a statement or command

also:a sentence ending in a tag question

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Itmaypossibly be true, _______?

A. mightnt it?

B. may it not?

C. maynt it?