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1、1 定语从句用法总结一.定义：定语由一个句子来充当，那么这个句子就叫做定语从句。eg: The old town has narrow streets and small houses that are built close to each other.其中划线部分为定语从句。二.分类：分为限制性定语从句和非限制性定语从句，还有间隔性定语从句。eg: 1.This is the school (that/which)we visited last year. （限制性定语从句）2.The weather turned out to be very good,which was more th
2、an we could expect. （非限制性定语从句）3.The days are gone when physical strength was all you needed to make a living.（ 间隔性定语从句）注：定语从句和非限制性定语从句的区别限制性定语从句无逗号隔开、不可缺少、起修饰限制作用；而非限制性定语从句有逗号隔开、可有可无、起补充说明作用。三.构成：定语从句有先行词、引导词和从句构成。先行词是定语从句所修饰限制的名词或代词。引导词是用来引导定语从句的关系代词或关系副词。eg: The old town has narrow streets and sma
3、ll houses that are built close to each other. 此句中先行词为：narrow streets and small houses, 引导词为： that ，定语从句为： that are built close to each other 四基本原则定语从句中不能出现与先行词在意义上相一致的词Eg.This is the book that I like it best .(it 与 book 指同一物，所以要去掉。) 五定语从句中常见考点：考点一.关系代词和关系副词的辨别1. 关系代词that（人、物），which （物）、who(m) （人）、wh
4、ose（某人的，某物的） 、 as 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页，共 6 页 - - - - - - - - - 2 2. 关系副词when（表时间）、where （表地点）、why （表原因）注：关系副词可变为“介词+关系代词”结构（即：关系副词=介词 +关系代词）。eg:This is the mountain village where(=in which)I stayed last month. 3. 怎样选择正确的关系代词或关系副词方法一：找出先行
5、词和定语从句中动词，看定从中动词与先行词能否构成习惯搭配。能，用关系代词；不能，用关系副词. Eg.I will never forget the day that I spent with my parents.(定从中动词spent 与先行词the day 构成 spent the day , 所以用关系代词that 或 which 或省略 ) 方法二：找出先行词和定语从句，看定语从句是否缺少主语、宾语或表语，如缺少，用关系代词。如不缺少，定语从句所表达意思相对完整，用关系副词。eg:.This is the factory _ made cars . (缺少主语，所以用关系代词that
6、或 which ，作主语不能省略 ) .This is the reason _ he was late for school.(定语从句he was late for school 表达意思相对完整，所以用关系副词why 或介词 +关系代词for which) 注意：当先行词为case、position 、point 、situation 、society、activity 等抽象意义的名词时，常用关系副词where 引导定语从句 . eg:He got himself into a dangerous situation where he may lose control of the p
7、lane .考点二. 定从中 that 与 which 的区别1. 关系代词只用that 的情况。（1）当先行词为不定代词（all、much 、little 、few、some、any、none、one、something 、anything 、everything 等）或先行词被不定形容词（all、many 、some、few、little 等）修饰时。eg:Do you have anything that you want to say for yourself？（2）当先行词既有人又有物时。eg:Do you know the things and persons that you a
8、re talking about. （3）当先行词含有序数词或最高级时。eg: This bus is the first that will go to Beijing. This is the best movie that I have ever seen. （4）当先行词被only 、very、next、last 等修饰时。名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 2 页，共 6 页 - - - - - - - - - 3 eg:This is the very boo
9、k that I m looking for. （ 5）在 who 或 which 引导的特殊疑问句中。eg:Which is the bike that you lost? （ 6）当关系代词在定语从句中作表语时。eg:Zhengzhou is no longer the city that it used to be. 2.关系代词只用which 的情况。（1）引导非限制性定语从句时。eg:He turned to be a very successful man,which was more than we expected. （2）在“介词 +关系代词”结构中，关系代词只用which
10、。eg:This is the question about which they have so much discussion in the past few weeks. （3）当关系代词后有插入成分时。eg: Mary was much kinder to Jack than she was to the others, which, of course, made all the others upset. 3.指人时，关系代词只用who(m) 的情况。（1）引导非限制性定语从句时。eg:She has a daughter,who is a doctor in the famous
11、 hospital. （2）当“介词 +关系代词 (宾格形式 )”结构引导定语从句时。eg: The gentleman about whom you told me proved to be a thief. （3）当关系代词后有插入成分时。eg:This is my friend who,I think,is the best in our class. . （4）在 There be 句型结构中，先行词指人时。eg:There is a young lady who asks for you. 考点三：as 的用法及 as 与 which 的区别1. as 引导的定语从句（1）as 常用
12、于固定搭配中：the same. . . as，suchas，as/soas eg:.Zhengzhou is such a wonderful city as everyone likes to visit. 比较：Zhengzhou is such a wonderful city that everyone likes to visit it. 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 3 页，共 6 页 - - - - - - - - - 4 注意：第一句是定语从句，所
13、以定从中没有出现与先行词city 意义上一致的词，第二句是状语从句，that 后应为完整句子，所以it 不能省略。.Today I bought the same bike as Tom did last week .(同样的但不是同一辆) 比较：Today he wears the same coat that he did yesterday .（同一件衣服）（2）as 常用于固定句型中：as we all / everyboby know(s), ,as is often the case,as we expect等。eg:As we all know,Zhengzhou is an a
14、ttractive city. 2.在非限制性定语从句中，as与 which 的区别指代整句话内容时，as 可位于主句前面、中间或后面；而which 一般位于主句后。另外， which 还可指代一个名词或一个短语。eg: As we all know,Tom is a good boy. ： China,which was founded in 1949,is becoming more and more powerful. ： She doesnt think she is wrong,which makes her teacher angry.（which 指代上文整个句子）.as在句中有
15、正如之意，而which 没有，eg: He succeeded this time,as had been expected. She has made great progress,which makes her parents very happy. As we all know,knowledge changes life. 考点四. 定从中所属关系的表达whose 引导定语从句时必须和名词放在一起。whose+n(s) =the+n(s)+of which/whom =of +which/whom+the+n(s) eg:The house whose roof was damaged
16、 has now been repaired. = The house the roof of which was damaged has now been repaired. = The house of which the roof was damaged has now been repaired. 考点五定从中动词形式与先行词的一致名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 4 页，共 6 页 - - - - - - - - - 5 eg: He is one of th
17、e students who fail the exam. He is the only one of the students who fails the exam. Those who are fond of studying do well in exams. 考点六. the way作先行词引导定从时，关系词可用in which/that/省略。eg:I don t like the way that/in which/省略 he spoke to me.考点七. 介词+关系代词在这种结构中，关系代词表示人, 只能用 whom ；关系代词表示物,只能用 which 。*怎样选择正确的介
18、词1. 根据定语从句中谓语动词的习惯搭配来决定。如： This is the pen on which I spent 10 yuan. (spend money on sth. 为固定搭配 ) This is the pen for which I paid 10 yuan. (pay money for sth.为固定搭配 ) 2. 根据先行词的搭配习惯来决定。如： I remember the day on which I graduated from high school. ( 强调在具体某一天要用介词on) I remember the days during which I li
19、ved in Russia. （强调在某几天时间内要用介词during ） I remember the month in which I got along with Tom（在 month 前介词要用in）3. 根据从句中动词与先行词的逻辑关系。 Is that the newspaper for which you often write articles? (write .for the article) 4. 根据从句中形容词的习惯搭配。The secretary with whom the boss is not happy will be fired for her carele
20、ssness . ( be happy with 对表示满意 ) 老板对其不满意的那个秘书将由于她粗心而被解雇。He is a learned man with whom we are familiar . ( be familiar with 对.熟悉 ) 他是一位我们熟悉的有学识的人。5. 有些“动词 +介词”的固定词组不可拆开用常见的动词词组有：look for,look after, care for,send for,hear of，hear from, deal with, 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - -
21、 - 名师精心整理 - - - - - - - 第 5 页，共 6 页 - - - - - - - - - 6 get through,pay attention to等。Eg .This is the watch (which/that) I am looking for.这是我正在找的手表。 This is the watch for which I am looking.（错误）6. “不定代词both,some,any,many,(a)few,none，neither等 +of whom 或 of which，表示整体与部分的关系或所属关系eg: I have many apples,
22、some of which are bad.（很多苹果中有一些是红色）比较： I have many apples and some of them are bad . He has three children, none of whom is kind to him. 比较： He has three children but none of them is kind to him .7.“介词 +which+to do ”作定语的情况介词 +which+to do 作定语相当于介词+which 引导定语从句。其中定语从句主语与主句主语一致，且从句含有情态动词。eg:Frank s dre
23、am was to have a shop in which to produce the workings of his own hands. （ =Frank s dream was to have a shop in which he could produce the workings of his own hands.） He has no house in which to live.(=He has no house in which he can live.) 8.“介词 +where ”引导的定语从句的情况有时候，我们可以见到“介词+where ”引导定语从句的情况。此时，w
24、here代替的是表示地点的介词短语。eg:You can look out of the window,from where you get a good view.(其中 where=out of the window) 考点八：定从句与短语的转化1.The girl （who is ）dancing now just returned from Beijing.正在跳舞的女孩刚从北京回来2.I love the stories （which were ） written by Mary .我喜欢玛丽写的故事。名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 6 页，共 6 页 - - - - - - - - -