反義疑問句的所有用法?

題目：

反義疑問句的所有用法?
說一些比較難理解的用法,前面有is後用have啊還是前面有is後面用have之類的,還有will啊think啊的.
然後這個我看不懂,網上找到的,
帶need 時,附加疑問用 do 或 need ,應該與陳述部分 need 用法相呼應.
I needn’t tell you the answer ,need I
You need to buy a better dictionary ,don’t you

解答：

need的用法分爲兩種,一種是作爲情態動詞,一種是作爲實義動詞.一般而言,need作爲情態動詞是在否定句（有時爲疑問句中）,此種情況在反義疑問句中通常爲need I或needn't I,而當這句話是一句肯定句是,這裡的need就作爲實義動詞,通常爲do you或者是don't you
就比如LZ說的句子
I needn’t tell you the answer , need I ?這裡need爲情態動詞,前面否定,後用need肯定
You need to buy a better dictionary , don’t you ? 這裡need爲實義動詞,前面肯定,所以後面用do的否定形式don't
說起will,我不明白LZ是什麼意思,與will有關的知識點整理在這裡
開頭爲Let's,後面一定用shall +we
例：Let's go,shall we
開頭爲Let us,後面一定用will you
例：Let us go,will you
think, believe, suppose, imagine, expect等動詞後接賓語從句構成的主從複合句在構成反意疑問句時,視情況不同有兩種不同的構成方式.
(1.)當主句的主語爲第一人稱時,其後的簡短問句應與從句相一致.例如：
I expect our English teacher will be back this weekend, won't she/he?
We suppose you have finished the project, haven't you?
值得注意的是,當這些動詞後接的賓語從句的否定轉移到主句時,其仍屬否定句,故其後的簡短問句應用肯定式,而非否定式.例如：
I don't believe that he can translate this book, can he?
We don't imagine the twins have arrived, have they?
此類句子的回答同"前否後肯"型反意疑問句一樣,如上述後一個句子,若雙胞胎已經到了,則回答爲"Yes, they have."；若尚未到達,使用"No, they haven't.".
(2).當主句的主語爲第二、三人稱時,其後的簡短問句則應與主句相一致.例如：
Your sister supposes she needs no help, doesn't she?
You thought they could have completed the project, didn't you?
They don't believe she's an engineer, do they?
She doesn't expect that we are coming so soon, does she?
(3)但如果主句的時態是過去時等等,疑問句應和主句的人稱時態保持一致.
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