賓語(yǔ)從句

一、定義

在句子中起賓語(yǔ)作用的從句叫做賓語(yǔ)從句。

二、連接詞

that: I think that you can pass the exam.Whether/if: I don’t know what the word means.“Wh”: I don’t know what the word means.I don’t know where he found the book.

只用whether的情況：

1. 與or not連用：I don’t know whether it’s raining or not.2. 與動(dòng)詞不定式連用：He doesn’t know whether to accept the invitation.3. 連接詞前有介詞時(shí)：It depends on whether he is coming.

三、時(shí)態(tài)

1. 主句是一般現(xiàn)在時(shí)態(tài)，從句根據(jù)實(shí)際情況而定(各種時(shí)態(tài)均可)She wants to know what he has done for the exam.

2.主句是一般過(guò)去時(shí)態(tài)，從句用相應(yīng)的過(guò)去的時(shí)態(tài)。1)She said that she was a student.2)She said that she would fly to Japan in a week.3)She said that she had finished her homework already.

3. 如果賓語(yǔ)從句說(shuō)的是客觀真理、自然現(xiàn)象或事實(shí)時(shí)，這時(shí)賓語(yǔ)從句要用一般現(xiàn)在時(shí)態(tài)。The teacher said that the earth goes round the sun.

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