which修飾整個句子
which一詞在科技英語中應用極爲廣泛，通常它的使用使句子變得更長更復雜。下面本站小編跟大家分享下which 修飾整個句子時的用法，歡迎大家閱讀。
1. which引導的非限定性定語從句來說明前面整個句子的情況或主句的某一部分 ，that不能用
Her house,which was built a hundred years ago,stood still in the earthquake.(那座房子在地震中依然聳立，它是一百多年前建造的。)
3. 有時as也可用作關係代詞
4. 在非限定性定語從句中，用who, whom代表人，用which代表事物.
5.當先行詞是專有名詞或物主代詞和指示代詞所修飾時，其後的定語從句通常是非限制性的。
Charles Smith, who was my former teacher, retired last year. 查理·史密斯去年退休了，他曾經是我的老師。
My house, which I bought last year, has got a lovely garden. 我去年買的的那幢房子帶着個漂亮的花園。
This novel, which I have read three times, is very touching. 這本小說很動人，我已經讀了三遍。
6.非限制性定語從句還能將整個主句作爲先行詞, 對其進行修飾, 這時從句謂語動詞要用第三人稱單數，
例如：
He seems not to have grasped what I meant, which greatly upsets me. 他似乎沒抓住我的意思，這使我心煩。
Liquid water changes to vapor, which is called evaporation. 液態水變爲蒸汽，這就叫做蒸發。
3)China has thousands of islands，the largest of which is Taiwan.中國有數千個島嶼，其中最大的是臺灣島。
4)Chaplin went to the states in 1910，by which time he had learnt to dance and act in comedies.卓別林1910年去了美國，那時他已學會跳舞和演喜劇了。
2.表唯一性，或者就是指代先行詞的事物時。
The dam，which is the biggest in the world，is 3，830 metres long.大壩長3，830米，是世界上最大的壩。
3.先行詞是獨一無二的事物時。
The moon，which doesn't give out light itself，is only a satellite of the earth.月球本身不發光，它只是地球的一個衛星。
4.先行詞表示類屬的事物時。
Football，which is a very interesting game，is played all over the world.足球是一項非常有趣的運動，全世界都踢足球。
5.先行詞是專有名詞時。
1)Three of the biggest man-made projects in the world are the Great Wall of China，the Pyramids of Egypt and the Aswan High Dam， which is also in Egypt.世界上最大的三項人造工程是中國的長城，埃及的金字塔和阿斯旺高壩，它也在埃及。
as，which的用法區別as，which是指代主句內容的非限制性定語從句時，表依據、評論與表事實、狀態等沒有多大差別，又在主句末時，有時可以通用。
is quite pleased，as /which can be seen from his face.他非常高興，從他的表情可以看出來。
always work hard，as /which everyone knows.大家都知道，你一向勤奮學習。
但是，上面兩句把定語從句置主句句首時，就只能用as。
elephant is like a snake，as anybody can see.像任何人都能看見那樣，這頭象像條蛇。
oo is hollow，which makes it very light.竹子是空的，這就使得它很輕。 在否定意義的非限制性定語從句裏，一般用which引導。
came to my birthday party，which I didn't expect at all.我完全沒有想到，他來參加我的生日聚會了
which跟that的區別that與which兩者都可指物，常可互換。其區別主要在於
1. 引導非限制性定語從句時，通常要用which。如：She received an invitation from her boss, which came as a surprise. 她收到了老闆的邀請，這是她意想不到的。
2. 直接放在介詞後作賓語時，通常要用which。如：The tool with which he is working is called a hammer. 他幹活用的那個工具叫做錘子。
3. much, little, none, all, few, every(thing), any(thing), no(thing) 等時，通常用that。如：There was little that the enemy could do but surrender. 敵人無法,只有投降了。All [Everything] that can be done must be done. 凡能that can be done must be done.
4. 當先行詞有the very, the only, the same 等修飾時，通常用that。如：This is the only example that I know. 我知道的例子只有這一個。Those are the very words that he used. 那是他的原話。
5. 當先行詞有形容詞最高級或序數詞(包括last, next等)等修飾時，通常用that。如：。如：This is the best dictionary that I’ve ever used. 這是我用過的最好的詞典。The first thing that you should do is to work out a plan. 你應該做的第一件事是訂個計劃。
6. 當關系代詞在定語從句中用作表語時，通常用that。如：China is not the country (that) it was. 中國已不是過去的中國了。
7. 當先行詞是一個既指人又指物的並列詞組時，通常用that。如：They talked about the persons and things that most impressed them. 他們談論了使他們印象最深的人和事。他們談論了使他們印象最深的人和事。
8. 當要避免重複時。如：Which is the course that we are to take? 我們選哪門課程?
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