【文章內容簡介】 句，所以也稱之為形容詞性從句。引導定語從句的詞叫關系詞, 。根據關系詞在從句中充當成分的不同,關系詞可分為關系代詞: who, whom(people), which(things), that, whose 關系副詞: when, where, why。Who 指人, 在從句中作主語 friend who studies in the college came to see you is the man who helped 指人, 在從句中作動詞或介詞的賓語 man whom you want to see has doctor whom you are looking for is in the ：whom 通常被省略或用who/that 替換。常用于非限制性定于從句。Which 指物, 在從句中作主語,賓語，Which 在作賓語時可省略。 is the book which tells about have found the car which you lost ，定語從句指的不是它前面的名詞，而是整個句子 showed me a photo which upset tore up my photo, which upset , (代詞),賓語 ,關系代詞前要接介詞, is a man whom I enjoy working 前有名詞, whom是賓格, 在從句中作賓語。Enjoy 後的動名詞working是由不及物 動詞轉化Whom 不能直接作賓語, 所以要加介詞。 is a man for/ with whom I enjoy 可移至句尾： is a man whom I enjoy working with/ 非限定性定語從句用于對主句先行詞的補充說明，沒有它不影響主句意思的完整，常用逗號把主句和從句分開。從句中作賓語的關系代詞不能省略。 were given a lovely double room, which had a sea , who am blind, advise you to use your eyes , 如: John, Peter, Beijing 獨一性名詞, 如: my father/mother, my school 被定語從句修飾時, 由于本身具有特殊性,不需被定語從句加以限定。 like John, who works like my school, which is ，是句中不可缺少的組成部分，主句和從句之間不能用逗號分開。普通名詞不具有特殊性,定語從句為先行詞不可缺少的定語,省 like the boy who studies this the book which you were looking that 的用法: that 可以代替who, whom, which, 可指人,物，在從句中作主語, 賓語, 表語。 is the man that is reading the is the man(whom/ that)I can letter(that /which)I received was from my ：作表語表身份時只能用that: is not the man(who )that he was ten years is not the happy boy that he used to teacher that you are should know how to teach ，用that替換其他關系代詞who, whom, which 應注意: (不可用于非限定性定語從句) earth on which we live is a big earth that / which we live on is a big 引導的定語從句：all/ both/ neither/ none/ either/ each/ other/ others/ another/ much/ many/ few/ little/ one/ some/ anything/ nothing/everything等 that we can do is to believe there anything that I can do for you have read is , 序數詞, 修飾時 first lesson that he gave was is the most beautiful park that I have ever been is the best that can be done , every, no, some, any, little, few, much, each等, 和the only, the very, the same, the last修飾時 is the very dictionary that I only thing that we could do was to may borrow any book that interest have read all the books(that)you gave caught two fish you can see the two that are still writer and his novel that you have just talked about are well , 應避免重復 student that was punished is the monitor who studies built up a factory which produced things that had never been seen ,定語從句要用that 而不用who(m)/ which is the person that is standing at the is the man that is reading the newspaper? Which of us that knows something about physics does not know whom/which, (some, any, none, all, both, several, enough, many and few)可以和 of whom/ of which 連用’s a family of eight children, all of whom are studying has written a book, the name of which I have ’ve tested these boots, none of which is pletely （quantity）和最高級（the superlatives）連用 number of whom/three of which/half of which The majority of whom/the youngest of whom Of whom/which 在從句中作主語時，有以下兩種結構 you see the house the windows of which are all broken?(of which the windows)The eighty passengers, ten of whom were British, all escaped.(of whom ten)定語從句和不定式介詞 + 關系代詞 可以和不定式連用 moved to the country so the children would have a garden in which to ，不能用這種結構 I can’t think of anybody whom to ，這種結構也非常正式和不常見的，我們常用更簡單的結構。(?a garden to play in。?neighbours to quarrel with).Which as determiner 有時用抽象名詞(case, point, reason, situation, time等)來總結主句的內容時，which 可以用作限定詞，構成‘介詞+which+抽象名詞’ 構成定語從句。可以和名詞連用的這種結構很正式，常用在介詞之后，對所提的事進行不從說明。 may be late, in which case we ought to wait for lost his temper, at which point I decided to go years of hard work changed her greatly, for which reason he could hardly recognize her at first rained all night, during which time the ship broke in 為關系代詞所有格, 由his/ her/ their/ my/ your/ its ,可指人/物 is John, whose father is a whose home are in town want to live in the ,賓語 , whose 之前要有介詞,介詞可移至句尾 like John, whose father I don’t like John, whose brother I want to make friends the...of which/ of which...the 替換 don’t like the building whose roof is don’t like the building the roof of which is don’t like the building of which the roof is which除可以表示所屬關系外，還可用來表示整體和部分的關系，而whose 不能。 borrowed a book of which the author was a Chinese team got 16 gold medals, of which 12 were won by 關系代詞 that 指代其前面的名詞， 不是重復前面名詞，而是包括名詞的語義what = the things that? gave her just the money she gave her just what she thing that I’d like is a digital I’d like is a digital 關系代詞,常用在 the same...as/ such...as/ as...as 句型中 The same...as .(主)He is the same person as e here yesterday.(賓)I have the same book as he is reading.(表)He is not the same man as he used to ...as is not such a man as will tell a is not such a bad man as you just talked a good student as he is will ...as has as much money as is have as many books as you(do).He is as good a student as Mary(is).Such...as引導定語從句/such...that結果狀語從句 talked in such simple English as children could talked in such simple English that children could understand will provide you with such things as you may shut the window with such a force that the glass same...as 兩物相似/the same...that描述的是同一物 is the same bag as I lost is the same bag that I lost ，代表主句或主句的一部分所表達的意思（通常不能指代某個名詞或代詞），可以放在主句前、后或中間，在從句中作主語、賓語或表語，表示 ‘正如.../ 正像...’ A主語 be said(announced, reported, known, seen, mentioned)As was reported on TV, the plane we know/as we all can see...C表語 he is, he seems 引導非限定性定語從句一般不能放在主句前，而as 引導非限定性定語從句可放在句未，也可放在句中、句首。在句首時不能用which 替換。 lost his dog, which made him very sad Taiwan is part of China, as/which is known to we have seen, oceans cover more than 70 percent of the ，意為“這一點、這件事”，常與 see，hope，expect，know，guess等動詞搭配；which引導非限定性定語從句與主句有一種因果關系，可譯為“所以??”。, as you all know, is in the is hollow, which makes it very ，謂語動詞是連系動詞時，可以用as/which作主語。如果從句謂語動詞 是行為動詞，則必須用which。 married her, as was refused to take the medicine, which made her mother rained hard yesterday, which prevented her from going to is