which的用法總結
which的用法總結
以下是小編為大家整理的which的用法總結，希望能幫助大家更好地認識which這個單詞，提高英語水平。
which意思及用法：
adj.哪一個;哪一些
pron.哪一個;哪些
which的用法總結：
1、在后置的非限制性定語從句中代替上文出現的事物或情況(單數或復數)。
2、在問句中作為疑問代詞，在名詞從句中作為連接代詞用，其含義為“哪個、哪些”。
3、如果非限制性定語從句的先行詞不是指主句內容，而是指具體的人、時間、地點，則不用which。
[解題過程] 這里主要講解一下在定語從句中的用法：
一、關系代詞that 和which 在定語從句中作主語和賓語，放在先行詞和定語從句之間，起聯系作用。指物時，一般情況下可互換。如： Here is the pen that/which you lost yesterday.(that/which 指物作賓語) A plane is a machine that/which can fly.(that/which 指物，作主語) He is the most careful boy that I know.(that 指人,作賓語) The man that works in this room is a chemist.(that 指人,作主語)
二、that,which 在從句中作主語時，不能省略。作賓語時在口語中和非正式問題中經常省略。如上例1 和中的that,which 都可省略。
三、關系代詞在主語從句中作主語時，從句的謂語動詞的人稱和數須和先行詞一致。 Wheat is a plant that/which is grown in the north of China.
四、在定語從句中，關系代詞that 和which 指物時，一般沒有區別，但下列幾種情況中不能互換：
只能用that 的情況：
a)先行詞為 all,everything,nothing,anything,little 等不定代詞時(something 后也可用which)： Is there anything (that) I can do for you in town? That’s all (that) I know.
b) 先行詞被序數詞所修飾時： The first thing (that) we should do is to work out a plan.
c) 先行詞被形容詞最高級所修飾時： This is one of the most exciting football games (that) I have ever seen. The nanjing yangtse river bridge is the longest bridge (that) they have ever seen.
d) 先行詞 被only,very,no,any,same,little,one of 等詞所修飾時： This is the only thing (that) we can do now. He gave me the same pen (that) he borrowed from me. Do you have any books that were written by Lu Xun? This is the very book (that) I want to read.
e) 當先行詞中既有人又有物時： The man and the car (that) you want to see are all here. 你相見的人和車都在這里。
f) that 可指人，which 則不能： Who is the man that is reading the newspaper over there?
g) 在 “the time when”等結構和某些時間狀語中，when 常被that 代替，而且that 往往省略： I may leave here any time I want to. During the time I was there I visited him twice.
h)way 后面可根由that 引導的定語從句，但that 一般都省略： That was the way she looked after us.
在下列情況中，只能用which:
a) 放在介詞后面做介詞賓語時： This is the question about which we’ve had so much discussion. 但是，如把介詞放在從句的后部，這時which 就可換為that 并常省略。如上例可改為： This is the question (that) we’ve had so much discussion about.
b) 在非限制性定語從句，無論指物指人，都不能用that。指物時，只能用which 和其他關系代詞。如： All the books there,which have beautiful pictures in them,were written by him.
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2.不定代詞的用法