考研英語同位語從句怎么識別
在考研英語中,同位語從句在句中有兩種位置:要么緊挨著所解釋的名詞,要么跟所解釋的名詞之間有其它成分。那么同位語從句到底應(yīng)該怎么識別呢,一起來看看!
1. 從詞類上區(qū)別:
同位語從句前面只能是idea,fact,hope,news等抽象名詞,而定語從句的先行詞可以是名詞(多是具體名詞)、代詞,主句的一部分或是整個(gè)主句,如:
The possibility that the majority of the labour force will work at home is often discussed.(同位語從句)
Our team has won the game, which made us very happy. (定語從句)
2. 從性質(zhì)上區(qū)別:
定語從句是從句對其先行詞的修飾或限制,屬于形容詞性從句的范疇;而同位語從句是從句對前面抽象名詞的'進(jìn)一步的說明和解釋,屬于名詞性從句的范疇,如:
The news that our team has won the game was true.
(同位語從句,補(bǔ)充說明news到底是一個(gè)什么消息。)
The news that he told me yesterday was true.
(定語從句,news在從句中作told的賓語。)
3. 從引導(dǎo)詞及其在句子中的成分上區(qū)別:
有些引導(dǎo)詞如how, whether, what可以引導(dǎo)同位語從句,但不能引導(dǎo)定語從句,如:
That question whether we need it has not been considered.
我們是否需要它這個(gè)問題還沒有考慮。(同位語從句)
引導(dǎo)詞that引導(dǎo)定語從句時(shí),在從句中一般作主語或賓語(指物時(shí)還可以用which代替),并且作賓語時(shí)常常省略,that在同位語從句中僅起連接作用,不充當(dāng)任何成分,并且不能省略,也不能用which來代替,如:
The order that we should send a few people to help the other groups was received yesterday.
我們應(yīng)派幾個(gè)人去幫別的幾個(gè)小組的命令昨天收到了。(同位語從句。是對order的具體解釋,that雖不作成分,但不能省略。)
The order that we received yesterday was that we should send a few people to help the other groups.
我們昨天收到的命令是我們應(yīng)該派幾個(gè)人去幫助別的幾個(gè)小組。(定語從句,是名詞order的修飾語,that在從句中作received的賓語,可以省略。)
最后來看2004年閱讀第四篇:
These leaders are living proof that prevention works and that we can manager the health problems that come naturally with age.
大家來分析下,看看三個(gè)that分別引導(dǎo)的是什么從句。分析出來了嗎?前面兩個(gè)that引導(dǎo)的是同位語從句,最后一個(gè)that引導(dǎo)的是定語從句,that在定語從句中做主語。
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