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留學網(wǎng) > 雅思考試 > 雅思寫作語法詳解—限定性定語從句

雅思寫作語法詳解—限定性定語從句

發(fā)布時間:2017-09-18編輯:bin

  在雅思寫作中,一般的簡單句會用一個形容詞做定語來修飾一個名詞,但當定語成分太過復雜而不能只用單個形容詞擔當時,就要借助于一個句子來做定語修飾名詞。

  像這樣由句子擔當定語,對被修飾的先行詞進行有限定制約,使該詞的含義更具體,更明確,我們稱之為限定性定語從句,下面我們結合例句進行對比學習:

  a)I don’t like lazy people(形容詞做定語放在名詞前面).

  b)I don’t like the people who never keep their words. 我不喜歡從不遵守諾言的人.

  在限定性定語從句中,有兩個比較重要的概念。以b句為例,獨立主句是:I don’t like the people;定語從句為“who never keep their words”,相當于一個形容詞,做定語修飾名詞“the people”, 且從句和主句是由who來連接的。在定語從句中,“the people”被稱為先行詞,指被定語從句所修飾或限制的對象。“who”被稱為關系詞即重復指代先行詞,并在定語從句中充當一定成分的連詞。

  從上面的解析不難看出,關系詞在限定性定語從句中很重要,是連接主句和從句的關鍵。關系詞可以分為關系代詞和關系副詞,下面我們一起來進行具體的學習。

  I.關系代詞主要有:who, whom, whose, which, that.

  A. 當先行詞為人時,可用關系代詞who,whom,whose 和that.

  a. 若關系代詞在從句中做主語時,選用 who 或that.

  eg:The woman is a responsible teacher who /that is loved by her students.

  = The woman is a responsible teacher and she is loved by her students.

  b. 若關系代詞在從句中做賓語時,選用 whom(首選),who 或that.

  eg: The girl whom we are talking about is a good friend of us.

  c. 若關系代詞在從句中做定語,表示人的所有關系時,選用 whose 或of whom.

  Eg:I know a friend whose sister is a famous dancer.

  = I know a friend. His sister is a famous dancer. (whose 代替了his,指人 friend)

  B.當先行詞為物時,可用關系代詞which, that 或whose.

  a. 若關系代詞在從句中做主語或賓語時,選用 which 或that.

  Eg:These are the trees which / that are destroyed in the fire(做主語).

  b. 若關系代詞在從句中做定語,表示物的所有關系時,選用 whose 或of which.

  Eg:The children saw an elephant whose legs were hurt badly.

  綜上所述,當先行詞為人和物時,若在從句中做主語或是賓語,這時可用選用關系代詞that,做定語時用whose.

  II. 關系副詞主要有:where,when 和why.

  A. 當先行詞為表示地點的名詞時,定語從句由副詞where引導.

  In the sixth century BC, ancient Greece was a country where there were a lot of new ideas.

  B. 當先行詞為表示時間的名詞時,定語從句由副詞when引導.

  Plato lived at a time when philosophy was very fashionable.

  C. 當先行詞為表示原因的名詞時,定語從句由副詞why引導.

  Can you tell me the reason why you lied to me?

  需要注意的是,限制性定語從句不能被省略,否則句意就不完整,例如I met someone who said he knows you.

  通過上面的講解,同學們在雅思寫作過程中對限定性定語從句是否又多了一份了解呢?希望可以有助于您更好的解析英文中的定語從句,從而更好的提高雅思作文中的長難句學習。

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