定語從句引導(dǎo)詞省略的幾種情況

1、在非正式文體中，用于指人的關(guān)系代詞who whom, that 指代先行詞在定語從句中作賓語時通?？梢允÷?；用于指物的關(guān)系代詞which和that指代先行詞在定語從句中作賓語時中也通常省略。例如：

??? 1）The man (whom/who/that) we have just seen is a famous writer.?

????2）Where is the book (which/that) I bought last week??

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2、 關(guān)系代詞指代先行詞在定語從句中作表語時，只用that ，它既可以指人，也可以指物，但時常省略。例如：?

???? 1）He is no longer the man that he used to be.?

???? 2）This is no longer the dirty place (that) it used to be.?

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3、以the way為先行詞的限制性定語從句，如果先行詞way在定語從句中做狀語，通常以in which或 that 引導(dǎo)，但在非正式文體中，人們通常省略in which或 that 。例如;

????????? 1）The way (in which) he spoke to us was suspicious.?

????????? 2）I don’t like the way (that) you laugh at her.?

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4、以place為先行詞的限制性定語從句，如果先行詞place在定語從句中做狀語，通常以where 引導(dǎo)，但在非正式文體中，人們通常省略where。例如：

????? 1）This is the place (where) we met yesterday.?

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5、以reason為先行詞的限制性定語從句，如果先行詞reason在定語從句中做狀語，通常以why引導(dǎo)，但在非正式文體中，人們通常省略why。例如：

?????? 1）That is the real reason(why) he did it.?

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6、以time,day,week,month,year等為先行詞的限制性定語從句，如果先行詞在定語從句中做狀語，通常以when引導(dǎo)，但在在某些句型和某些時間狀語中，人們通常省略when。例如：

?????? 1）But help never stopped coming from the day she fell ill.?

???????2）Each time he came, he did his best to help us.

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注：針對以上情況，下列情形定語從句的引導(dǎo)詞不能省。

?????? 1、如果作介詞賓語且介詞提前，這時關(guān)系代詞指人用whom,指物用which，而且均不能省。例如：

???????? 1）Gun control is a subject? about which Americans have argued for a long time.

?????????2）? She brought with her three friends,none of whom I had ever met before.

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2、在非限制性定語從句中，無論是關(guān)系代詞還是關(guān)系副詞均不能省。例如：

???????? 1）They have won their last three matches, which I find a bit surprising actually