定語從句的引導詞
定語從句是英語學習的一個重要語法項目,也是英語考試的熱點之一。小編下面主要跟大家分享下定語從句的引導詞,供大家參考。
1. 根據(jù)引導詞在定語從句中的語法 功能進行選擇。
① I will never forget the days when I stayed in Peking University.
、 I will never forget the days which / that I spent in Peking University.
③ He is no longer the boy that he used to be.
句①中 stayed 是不及物動詞,引導詞 when 在從句中作時間狀語。
句②中 spent 是及物動詞,引導詞 which / that 在從句中作 spent 的賓語。
句③中引導詞 that 在從句中作表語。
2. 根據(jù)先行詞及先行詞前的修飾詞來選擇。
、 This is the most beautiful place that I visited last year.
② This is the place which / that I visited last year.
句①中先行詞 place 前有形容詞最高級修飾,引導詞只能用 that。
句②中先行詞 place 前沒有形容詞最高級修飾,引導詞用 which 或 that 均可。
要注意,在下列情況下只能用 that 而不能用 which。
(1)先行詞前有序數(shù)詞或形容詞最高級修飾時。
例句:It's the first composition that I have written in English.
(2)先行詞前有 any, all, few, little, the only, the right, the very, the last 等修飾時。
例句:You can take any seat that is free.
(3)先行詞是不定代詞 all, some, something, anything, nothing 等時。
例句:Is there anything that I can do for you?
( 4 )先行詞中既有人又有物時。
例句:He told us the people and places that he had visited.
( 5 )在 there be 結構中,先行詞指物時。
例句:There is a book on the desk that I am interested in.
( 6 )在由 which, who, whom 等開頭的疑問句中。
例句:Which is the book that interests you most?
3. 根據(jù)引導詞在定語從句中的`位置及意義進行選擇。
、 Bamboo is hollow, which makes it very light.
、 as is known to all, is a part of China.
、 As anybody can see, the elephant's nose is like a snake.
關系代詞as和which在非限制性定語從句中均可指代主句的全部或部分內(nèi)容。但 which 引導的非限制性定語從句只能放在句末,如句①,而as引導的非限制性定語從句既可放在句末,也可放在句中或句首,如句②和句③。另外,which引導的非限制性定語從句常與主句有種因果關系,可譯作“所以”,語氣不強時可不必譯出。as引導的非限制性定語從句修飾整個主句時,往往與系動詞搭配使用,可譯作“這一點,正如”。
4. 根據(jù)定語從句的性質(zhì)進行選擇。
、 The park, which we visited yesterday, is very beautiful.
、 The park which / that we visited yesterday is very beautiful.
非限制性定語從句不能用 that 來引導,并且作賓語的引導詞不能省略;而限制性定語從句不受限制。句①就是非限制性定語從句,故引導詞只能用which,句②是限制性定語從句,故引導詞用which或that均可。
5. 根據(jù)定語從句中介詞所在的位置進行選擇。
、 This is the room in which I used to live.
② This is the room which / that I used to live in.
定語從句中如介詞前置,作其賓語的引導詞就不能用 that ,而只能用 which ,且不可省略,故句①只能用 which ;句②則用 which 或 that 均可,且可省略。但要注意,含有介詞的短語動詞一般不能將介詞拆開前置,只能放在動詞之后。
例句:The babies whom the nurses are looking after are very happy.
6. 關系代詞 as 引導定語從句時,常與 the same, such, so 等搭配。
例句:He is doing the same work as I am.他正在做著和我一樣的工作。
7. that 有時被用作關系副詞,代替 in / on / for which ,并且常常被省略。
例句:The way ( that / in which ) you look at problem is wrong.
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