which修饰整个句子
which一词在科技英语中应用极为广泛，通常它的使用使句子变得更长更复杂。下面学习啦小编跟大家分享下which 修饰整个句子时的用法，欢迎大家阅读。
which修饰整个句子
1. which引导的非限定性定语从句来说明前面整个句子的情况或主句的某一部分 ，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耸立，它是一百多年前建造的。)
3. 有时as也可用作关系代词
4. 在非限定性定语从句中，用who, whom代表人，用which代表事物.
5.当先行词是专有名词或物主代词和指示代词所修饰时，其后的定语从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，他曾经是我的老师。
My house, which I bought last year, has got a lovely garden. 我去年买的的那幢房子带着个漂亮的花园。
This novel, which I have read three times, is very touching. 这本小说很动人，我已经读了三遍。
6.非限制性定语从句还能将整个主句作为先行词, 对其进行修饰, 这时从句谓语动词要用第三人称单数，
例如：
He seems not to have grasped what I meant, which greatly upsets me. 他似乎没抓住我的意思，这使我心烦。
Liquid water changes to vapor, which is called evaporation. 液态水变为蒸汽，这就叫做蒸发。
3)China has thousands of islands，the largest of which is Taiwan.中国有数千个岛屿，其中最大的是台湾岛。
4)Chaplin went to the states in 1910，by which time he had learnt to dance and act in comedies.卓别林1910年去了美国，那时他已学会跳舞和演喜剧了。
2.表唯一性，或者就是指代先行词的事物时。
The dam，which is the biggest in the world，is 3，830 metres long.大坝长3，830米，是世界上最大的坝。
3.先行词是独一无二的事物时。
The moon，which doesn't give out light itself，is only a satellite of the earth.月球本身不发光，它只是地球的一个卫星。
4.先行词表示类属的事物时。
Football，which is a very interesting game，is played all over the world.足球是一项非常有趣的运动，全世界都踢足球。
5.先行词是专有名词时。
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.世界上最大的三项人造工程是中国的长城，埃及的金字塔和阿斯旺高坝，它也在埃及。
as，which的用法区别
as，which是指代主句内容的非限制性定语从句时，表依据、评论与表事实、状态等没有多大差别，又在主句末时，有时可以通用。
1.He is quite pleased，as /which can be seen from his face.他非常高兴，从他的表情可以看出来。
2.You always work hard，as /which everyone knows.大家都知道，你一向勤奋学习。
但是，上面两句把定语从句置主句句首时，就只能用as。
3.This elephant is like a snake，as anybody can see.像任何人都能看见那样，这头象像条蛇。
4.Bamboo is hollow，which makes it very light.竹子是空的，这就使得它很轻。 在否定意义的非限制性定语从句里，一般用which引导。
5.He came to my birthday party，which I didn't expect at all.我完全没有想到，他来参加我的生日聚会了
which跟that的区别
that与which两者都可指物，常可互换。其区别主要在于
1. 引导非限制性定语从句时，通常要用which。如：She received an invitation from her boss, which came as a surprise. 她收到了老板的邀请，这是她意想不到的。
2. 直接放在介词后作宾语时，通常要用which。如：The tool with which he is working is called a hammer. 他干活用的那个工具叫做锤子。
3. much, little, none, all, few, every(thing), any(thing), no(thing) 等时，通常用that。如：There was little that the enemy could do but surrender. 敌人无法,只有投降了。All [Everything] that can be done must be done. 凡能that can be done must be done.
4. 当先行词有the very, the only, the same 等修饰时，通常用that。如：This is the only example that I know. 我知道的例子只有这一个。Those are the very words that he used. 那是他的原话。
5. 当先行词有形容词最高级或序数词(包括last, next等)等修饰时，通常用that。如：。如：This is the best dictionary that I’ve ever used. 这是我用过的最好的词典。The first thing that you should do is to work out a plan. 你应该做的第一件事是订个计划。
6. 当关系代词在定语从句中用作表语时，通常用that。如：China is not the country (that) it was. 中国已不是过去的中国了。
7. 当先行词是一个既指人又指物的并列词组时，通常用that。如：They talked about the persons and things that most impressed them. 他们谈论了使他们印象最深的人和事。他们谈论了使他们印象最深的人和事。
8. 当要避免重复时。如：Which is the course that we are to take? 我们选哪门课程?
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3.which的句子
which修饰整个句子
