as和which引導(dǎo)非限制性定語從句的區(qū)別(共3頁)

1、精選優(yōu)質(zhì)文檔-傾情為你奉上as 和which引導(dǎo)非限制性定語從句的區(qū)別1，as引導(dǎo)的非限制性定語從句，位置靈活，可以置于主句的句首、句中或句末；先行詞不可是一個詞，必須是整個主句或主句的部分內(nèi)容；有“正如、像”等意思，表依據(jù)、評論（、態(tài)度、看法）等；如： This 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。He failed in the exam, as we had expected. Tom has passed the test, as everybody knows. 正如每個人所了解的那樣，湯姆通過了考

2、試。【比較：Bamboo is hollow，which makes it very light竹子是空的，這就使得它很輕?！砍Ｓ靡韵轮^語動詞的主、被動語態(tài)：know, see, say, expect, imagine, hope, believe, announce, suggest, report, point out, 例：主動（做賓）：as we all know, as you know, as everybody knows; as you see, as we can see, as we have seen, as anybody can see; as was expect

3、ed; as we can imagine, as we have imaginedAs we all know, the earth is round.He was a foreigner, as I know from his accent.Mike, as we expected, attended the meeting像我們所期望的那樣，邁克參加了會議。被動（做主）：as is known to everybody, as is known to all; as has been expected; as is often the case (with )，as has been p

4、ointed out, as is usual with, as is reported in the newspaper He is an honest man, as is known to all. As is often the case with young people, he was overconfident. He wasn't unconscious，as could be judged from his eyes他并未失去知覺，這從他的眼神可以判斷出來。2，which引導(dǎo)非限制性定語從句，只能置于句中或句末（即不可置于句首，只能置于先行詞之后）；先行詞即可是一個詞

5、，也可是整個主句或主句的部分內(nèi)容；是整個主句時，從句謂語動詞用三單。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(tài)水變?yōu)檎羝?，這就叫做蒸發(fā)。He studied hard at school when he was young, which leads to his success in his later life.有“這、這一點”等意思，表事實

6、、狀態(tài)、起因、轉(zhuǎn)折、讓步等；如：Bamboo is hollow，which makes it very light竹子是空的，這就使得它很輕。Her house, which was built a hundred years ago, stood still in the earthquake. 她的房子盡管是一百多年前建造的，但他在地震過后依然聳立。（讓步）【比較：He failed in the exam, as we had expected.】He was late again, which made his teacher very angry. (先行詞是一個句子) He wa

7、s proud, which I dislike very much. He was proud, which his brother never was.She was very patient towards the children, which her husband seldom was.She was awarded a gold medal, which the whole family considered a great honour.常用“prep.which”結(jié)構(gòu)They arrived at a farmhouse, in front of which sat a sm

8、all boy.He is a library assistant, from whom I borrowed some books.It is a famous school, from which he graduated 3 years ago. He is my son, against whom a better son does not existHe stood at the window, from which (/ where) he could see what was happening. There is a tall tree outside, under

9、which (/where) stands our teacher.用“n./pron./num./adj比較或最高級 + prep.+ which/whom”結(jié)構(gòu)，表示先行詞的一部分They talked about a movie, the name of which I've never forgotten他們談?wù)撨^一部電影，我決不會忘記片名。He paid the boy $10 for washing ten windows, most of which hadn't been cleaned for at least a year.In Sydney the Chi

10、nese team got 28 gold medals，16.5 of which were won by women在悉尼奧運會，中國隊奪得了28枚金牌，其中165枚是女子奪得的。China has a lot of rivers, the second longest of which is the Yellow River.China has thousands of islands，the largest of which is Taiwan中國有數(shù)千個島嶼，其中最大的是臺灣島。先行詞是獨一無二的事物或是專有名詞時。The moon，which doesn't give ou

11、t light itself，is only a satellite of the earth月球本身不發(fā)光，它只是地球的一個衛(wèi)星。Charles Smith, who was my former teacher, retired last year. 查理去年退休了，他曾經(jīng)是我的老師。Mr. Zhang, who came to see me yesterday, is an old friend of mine.Beijing, which has been China's capital for more than 800 years, is rich in cultural a

12、nd historic relics. 北京是中國八百年之久的古都,它有著豐富的文化和歷史遺產(chǎn)。The Nile，which used to flood every year，now runs more regularly below the dam尼羅河年年漲洪水，現(xiàn)在比較正常地在大壩下面流過了。Last year he went to Egypt，which is in Africa他去年去了埃及，埃及在非洲。We'll graduate in July, when we will be free. 我們將于七月份畢業(yè)，到那時我們就自由了。先行詞被物主代詞和指示代詞修飾時My ho

13、use, which I bought last year, has got a lovely garden. 我去年買的的那幢房子帶著個漂亮的花園。My family，which has 35 people，is a large one我家有35口人，是一個大家庭。This novel, which I have read three times, is very touching. 這本小說很動人，我已經(jīng)讀了三遍。先行詞是表人的職業(yè)、品質(zhì)、身份等名詞，作定語從句的表語，主從句之間含對比的意思。Mike's brother is a policeman，which he isn

14、9;t邁克的哥哥是警察，他可不是。Her sister has become a lawyer, which she wanted to be. 她的妹妹成為了一名律師，而這是她曾經(jīng)的愿望。在否定意義的非限制性定語從句里（即否定意義的非限制性定語從句不可用as引導(dǎo)。）Tom has passed the test, which nobody knows. 湯姆通過了考試，但卻沒人知道。He came to my birthday party，which I didn't expect at all他來參加我的生日聚會了，這我完全沒有想到。Li Ling is very clever，w

15、hich Li Long isn't李玲很聰明，李瓏可不是。He married her, which was unexpected. He married her, as /which was natural. Tom has passed the test, as nobody knows. ( × )He married her, as was unexpected. ( × ) He came to my birthday party，as I didn't expect at all. 我完全沒有想到，他來參加我的生日聚會。( × )Li

16、 Ling is very clever，as Li Long isn't. 李玲很聰明，李瓏可不是。( × ) 互換條件：非限定從中的as表依據(jù)評論，which表事實狀態(tài)等，但差別不大時可互換。注意位置：which引導(dǎo)的非限制性定語從句不能置于句首。例如：He 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。You always work hard, as/which everyone knows. 大家都知道，你一向勤奮學(xué)習(xí)。 As can be seen from his sk

17、in, he must be from Africa.=He must be from Africa, which/as can be seen from his skin.As we have seen, oceans cover more than 70 percent of the earth.=Oceans cover more than 70 percent of the earth, as we have seen.As you know, Jack is an honest man.=Jack is an honest man , as you know. =Jack, as you know, is an honest man. As is known to all, he is a hero. =He is a hero, which/as is known to all. =It is known to all that he is a hero. (that引導(dǎo)的不是定從，而是真主從)As we all know, smoking is harmful to one's health. (as 作賓語)=Smoki