目前大家應該是對非限定性定語從句和限定性的區(qū)別比較感興趣的，所以今天好房網(wǎng)小編CC就來為大家整理了一些關(guān)于非限定性定語從句和限定性的區(qū)別方面的相關(guān)知識來分享給大家，希望大家會喜歡哦。

限制性定語從句與非限制性定語從句用法區(qū)別：

一、 句法功能、表現(xiàn)形式不同

定語從句分為限制性和非限制性兩種。限制性定語從句不可缺少先行詞，去掉它主句意思往往就不明確了，它與主句之間通常不用逗號分開；非限制性定語從句是對先行詞的附加說明，去掉它也不會影響主句的意思。如：

Do you know the professor who is speaking at the meeting? （限制性定語從句）English is an important subject, which every student should study well. （非限制性定語從句）

二、 先行詞不盡相同。限制性定語從句的先行詞往往是某一個詞，但非限制性定語從句的先行詞可以是一個詞，也可以是句子的一部分，甚至是整個主句，此時非限制性定語從句一般由which或as引導，as引導非限制性定語從句常用在as is said / known / expected / mentioned / reported / announced等結(jié)構(gòu)中。如：

He has passed the college entrance examination, which makes his parents quite happy.

As is known to everybody, the moon travels round the earth once every month.

三、 關(guān)系詞的使用情況有所不同

1． that 不可引導非限制性定語從句。如：

Her father gave her a computer for her birthday，which pleased her a lot.

2． why 不用在非限制性定語從句中，需用for which代替。如：

I told them the reason, for which Ididn'tattend the party last week.

3． 關(guān)系代詞替代情況不同關(guān)系代詞 whom 在限制性定語從句中作賓語時可用 who 代替 whom, 但 whom 在非限制性定語從句中作賓語時不可用 who代替。如：

This is the girl whom (who) I have been in love with for six years.

The young man had a new girl friend, whom he wanted to show all his love for.

4． 關(guān)系代詞省略情況不同

關(guān)系代詞在限制性定語從句中作賓語時可以省略；非限制性定語從句的所有關(guān)系代詞均不可省略。如：

She is the new student (whom / who / that) I want to introduce to you.

All the books there, which have beautiful pictures in them, were written by him.

四、 下列情形用非限制性定語從句

當“不定數(shù)量詞 (如some, several) ／ 數(shù)詞 ＋ of which ／ whom”表示“整體 (which ／ whom)中的一部分”的概念時。如：We saw many animals in the zoo, some of which are tigers．There are fifteen new players in our team, two of whom come from Canada.

當先行詞為專有名詞或被物主代詞和指示代詞修飾時，其后的定語從句通常是非限制性的。如：

My house, which I bought last year, has got a lovely garden.Qingdao, where I have been three times, is an attractive city to foreigners.

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