賓語(yǔ)從句，在復(fù)合句中作賓語(yǔ)，位于及物動(dòng)詞后。

eg.

Tell him which class you are in .

Do you know what he likes?

注：

(1)主、從句時(shí)態(tài)一致：

主句謂語(yǔ)過(guò)去時(shí)，從句相應(yīng)過(guò)去時(shí);

He answered that he was listening to me.

主句謂語(yǔ)現(xiàn)在時(shí)，從句時(shí)態(tài)任所需;

eg. He says (that) he will leave a message on my desk.

They know (that) he is working hard.

具體過(guò)去永不變，真理格言現(xiàn)在時(shí);

eg.He told me that he was born in 1980.

Father told me that practice makes perfect .

(2)否定前移，及完成反意問(wèn)句

在think / believe / suppose / guess / imagine / expect等動(dòng)詞后跟賓語(yǔ)從句否定式時(shí)，應(yīng)轉(zhuǎn)移到主句上去，完成反意問(wèn)句時(shí)，應(yīng)與從句主、謂保持一致。(注: 否定前移的條件是，主句主語(yǔ)是第一人稱)

eg. I don't think you are right ,are you ?

I don't believe they have finished their work yet,have they ?

(3)運(yùn)用虛擬語(yǔ)氣的情況

在表示：

建議 suggest 、advise、propose;

要求demand 、desire、request;

決定 decide;

命令 order、command、require;

堅(jiān)決主張 insist;

等動(dòng)詞后跟賓語(yǔ)從句，用(should)+v.(虛擬語(yǔ)氣)

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