賓語(yǔ)從句有很多不同含義和用法的連接詞，在語(yǔ)序上也有很多的講究，滬江小編為同學(xué)們收集、整理了大量相關(guān)的語(yǔ)法知識(shí)，希望能幫到大家，一起來(lái)看看吧！

一、賓語(yǔ)從句的連接詞：

1、? 連詞that，只起連接作用，在從句中不作句子成分，也無(wú)詞匯意義，在口語(yǔ)中常被省略。

e.g. He knew (that) he should work hard.

2、? 連詞if 、whether，它們起連接作用，在從句中不作句子成分，作“是否”解，在口語(yǔ)中多用if。

e.g. Tom don’t know if/whether his grandpa liked the present.

He asked me whether or not I was coming.

一般情況下，if 和whether可以互換，但以下3種情況只能用whether：

①在不定式前：Whether to go there or not hasn’t been decided.

②在介詞后：It depends on(依靠) whether it is going to rain.

③與or not連用：They are talking about whether to go there or not.

3、? 連接代詞who, whom, whose, what, which，連接副詞when, where, why, how，它們起連接作用，作句子成分，各有自己的意義。

e.g. The teacher asked the new students which class he was in.

I wonder where he got so much money.

【注意】

1、由連接代、副詞引導(dǎo)的賓語(yǔ)從句可以和“疑問(wèn)詞+不定式”結(jié)構(gòu)轉(zhuǎn)化。

e.g. I don’t know how I should do with the presents. è I don’t know how to do with the presents.

2、要注意區(qū)分判斷由if、when引導(dǎo)的從句類(lèi)型。

二、賓語(yǔ)從句的語(yǔ)序：

賓語(yǔ)從句的語(yǔ)序是陳述語(yǔ)序，即“連接詞+主語(yǔ)+謂語(yǔ)+其它成分”。特別強(qiáng)調(diào)：它的主語(yǔ)和謂語(yǔ)的語(yǔ)序是陳述語(yǔ)序，而不是疑問(wèn)句的倒裝結(jié)構(gòu)。

Can you tell me who(m) do we have to see?? ( ╳ )

Can you tell me who(m) we have to see? ?( √ )

The teacher asked the students what they were doing. (思考: what 在從句中的成分)

陳述句變?yōu)橘e語(yǔ)從句時(shí),要注意人稱(chēng)和時(shí)態(tài)的變化,語(yǔ)序不變。e.g. She said, “I will leave a message on the desk.”àShe said she would leave a message on the desk.

一般疑問(wèn)句和特殊疑問(wèn)句變?yōu)橘e語(yǔ)從句時(shí),也要注意人稱(chēng)和時(shí)態(tài)的變化,后面接陳述語(yǔ)序。e.g. “Where are the tickets?”I asked him. àI asked him where the tickets are.

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