定語(yǔ)從句在什么情況下可以省略關(guān)系詞
定語(yǔ)從句（也稱(chēng)關(guān)系從句、形容詞性從句），是指一類(lèi)由關(guān)系詞引導(dǎo)的從句，因?yàn)檫@類(lèi)從句的句法功能多是做定語(yǔ)，以下是小編精心整理的定語(yǔ)從句在什么情況下可以省略關(guān)系詞，希望對(duì)大家有所幫助。
語(yǔ)從句在什么情況下可以省略關(guān)系詞
關(guān)系詞有時(shí)可以省略，但這只限于限制性定語(yǔ)從句中，在非限制性定語(yǔ)從句中，關(guān)系詞則不可省略。關(guān)系詞的省略主要限于以下幾個(gè)方面。如：
1. 關(guān)系代詞作賓語(yǔ)時(shí)的省略。當(dāng)關(guān)系代詞who, whom, which和that在定語(yǔ)從句中用作動(dòng)詞賓語(yǔ)或介詞位于句末時(shí)的介詞賓語(yǔ)時(shí)，可以省略。如：
Is there anything (which) you wanted? 想要什么東西嗎?
Who is the man (that / who / whom) you were talking to? 剛才和你講話的人是誰(shuí)?
2. 關(guān)系代詞作表語(yǔ)時(shí)的省略。當(dāng)關(guān)系代詞that在定語(yǔ)從句中用作表語(yǔ)時(shí)，可以省略。如：
China is not the country (that) it was. 中國(guó)已不是過(guò)去的中國(guó)了。(that作表語(yǔ))
3. 關(guān)系代詞作賓補(bǔ)時(shí)的省略。當(dāng)關(guān)系代詞that在定語(yǔ)從句中用作賓語(yǔ)補(bǔ)足時(shí)，可以省略。如：
I’m not the madman (that) you thought me. 我并不是你所認(rèn)為的那個(gè)瘋子。(that作賓語(yǔ)補(bǔ)語(yǔ))
4. 關(guān)系代詞作主語(yǔ)時(shí)的省略。一般說(shuō)來(lái)，關(guān)系代詞作主語(yǔ)時(shí)是不能省略的，但是在以下兩種特殊情況，也可省略：
(1) 當(dāng)定語(yǔ)從句為there be 結(jié)構(gòu)時(shí)，作主語(yǔ)的that可以省略。如：
I’ve told you all (that) there is to tell. 該告訴的我都告訴你了。
(2) 當(dāng)主句為there be結(jié)構(gòu)時(shí)，在定語(yǔ)從句中作主語(yǔ)的that, which, who有時(shí)可省略。如：
There’s a gentleman (who) wants to see you. 有一位先生要見(jiàn)您。
(3) 當(dāng)主句為it is, here is結(jié)構(gòu)時(shí)，在定語(yǔ)從句中作主語(yǔ)的that有時(shí)可省略。如：
Here’s a little book (that) will tell you how to raise roses. 這是一本關(guān)于玫瑰花栽培的小冊(cè)子。
5. 關(guān)系副詞when的省略。用作時(shí)間狀語(yǔ)的關(guān)系副詞when通常不能省略，但有一種特殊情況，即用于day, year, time等少數(shù)幾個(gè)詞后時(shí)可以省略(也可換成that)。如：
That was the year (that) I first went abroad. 就是那一年我第一次出國(guó)了。
I’ll never forget the day (that) we met. 我永遠(yuǎn)也忘不了我們見(jiàn)面的那一天。
6. 關(guān)系副詞where的'省略。用作地點(diǎn)狀語(yǔ)的關(guān)系副詞where通常不能省略，但有一種特殊情況，即用于place, somewhere, anywhere, everywhere, nowhere少數(shù)幾個(gè)詞后時(shí)可以省略(也可換成that)。如：
This is the place (where) they met yesterday. 這就是他們昨天碰頭的地方。
Have you somewhere (that) I can lie down for an hour? 你有沒(méi)有一個(gè)什么地方可以讓我躺一個(gè)小時(shí)？
7. 關(guān)系副詞why的省略。關(guān)系副詞why通常只用于the reason后引導(dǎo)定語(yǔ)從句，且通常可換成that或for which，均可省略。如：
That’s the reason (why, for which, that) he came. 這就是他來(lái)的原因。
定語(yǔ)從句關(guān)系詞什么時(shí)候省略
1.關(guān)系代詞which,whom,who,that在定語(yǔ)從句中作賓語(yǔ)時(shí)可以省略。
Here is the man (who/that/whom)you're been looking for.
以下情況不能省略：
（1）在介詞+whom與介詞+which中，whom,which不能省略。
Do you know any shops nearby in which I can buy flowers?
That is the headmaster with whom my father was talking just now.
注：當(dāng)介詞放在動(dòng)詞后時(shí)，which,whom就可以省略。
Who is the man (whom) you talked with just now?
（2）在非限制性定語(yǔ)從句中，作賓語(yǔ)的關(guān)系代詞也不能省略。
Mr Green,whom you know,is the tallest in our school.
The elephant is like a spear,as anybody can see.
（3）在the same ...as,such...as,as...as,the same...that中，as,that即使作賓語(yǔ)，也不能省略I have bought the same bicycle as you have (bought). (指同類(lèi)用as)
This is the same book that I read the day before yesterday. (that指同一個(gè))
（4）當(dāng)由and,but,or等連詞連接兩個(gè)或兩個(gè)以上的定語(yǔ)從句修飾一個(gè)先行詞時(shí)，第一個(gè)關(guān)系代詞可省，但第二，第三個(gè)不可省略。
This is the book (which) I read yesterday and which I find very interesting.
2.當(dāng)that在從句中作補(bǔ)語(yǔ)時(shí)可以省略。
He is not the man (that) he used to be.
She is all (that) a teacher should be.
3.在there be 結(jié)構(gòu)中出現(xiàn)定語(yǔ)從句，或在定語(yǔ)從句中出現(xiàn)there be 時(shí)，用作主語(yǔ)的關(guān)系代詞也可省略。
There is a man downstairs (who) wants to see you.
This is the best dictionary (that) there is in the library.
4.狀語(yǔ)的省略
（1）當(dāng)先行詞是reason，而且定語(yǔ)從句中作原因狀語(yǔ)時(shí)，關(guān)系代詞可用why,that,也可以省略。
The reason (why/that) he failed was his laziness.
That is the reason (why) I did it.
（2）當(dāng)先行詞是way,且在定語(yǔ)從句中作方式狀語(yǔ)時(shí)，關(guān)系代詞可用in which,that,也可以省略。
The way (in which/that) these comrades look at problems is wrong.
That was the way (in which/that) she worked the problem out.
注意：當(dāng)關(guān)系代詞在定語(yǔ)從句中作主語(yǔ)時(shí)，不省略。
例如：I don't know the way that/ which leads to the top of the mountains.
(3)當(dāng)先行詞是time時(shí)，關(guān)系代詞可用when,that 或省略。
The second time (that) I saw him was in 1980.
I don't know the exact time (when/that) the sports meet will take place.
注意：關(guān)系代詞作賓語(yǔ)有時(shí)也不能省略。
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