【正文】 定語從句的詞叫關系詞。關系詞分為關系代詞和關系副詞。關系代詞有that, which, who, whom, whose, as等； 關系副詞有when, where, ：A、引導定語從句，連接主從句；B、代替先行詞；C、在定語從句中擔當一個成分。：先行詞 + 關系代/副詞 + 陳述語序句子二、關系代詞引導的定語從句 指人，在定語從句中做主語,不能省略。作賓語，可以省略(常用whom)The boys who are playing football are from Class 指人，在定語從句中做賓語，?？墒÷?。 is the person(whom)you talked about on the ：關系代詞whom 在口語或非正式文體中?？捎脀ho 來代替，也可省略。The man(whom / who)you met just now is my old ．which 指物，在定語從句中做主語或賓語，做賓語時?？墒÷??？梢龑Х窍薅ㄐ远ㄕZ從句。Football is a game which is liked by most film(which)they went to see last night was not interesting at ．that 既可指人，也可指物。在定語從句中作主語或賓語，作賓語時?？墒÷浴２灰龑Х窍薅ㄐ远ㄕZ從句The number of people that / who e to visit this city each year reaches one is the man（that / whom）I saw this morning? The season that / which es after spring is I received a letter that / which came from ．whose 既可指人，也可指物，在定語從句中做定語, visited a scientist whose name is known all over the has a friend whose father is a once lived in the house whose roof has fallen ：指物時，常用下列結構來代替：The classroom whose door is broken will soon be classroom the door of which is broken will soon be you like the book whose cover is yellow? Do you like the book the cover of which is yellow?三、關系副詞引導的定語從句 1．when 指時間，在定語從句中作時間狀語。當先行詞是表時間的名詞，比如time, day, week, month, year等；且定語從句中缺時間狀語時用when.(when =介詞 + which.)若先行詞是表時間的名詞，定語從句中缺主語或賓語時，用that/which引導。She will never forget the day when(=on which)she was married I still remember the day when I first came to this time when we got together finally you remember the years when he lived in the countryside with his grandparent？ Do you remember the days（that/which）we spent together last year? I will never forget the days when we spent our holidays will never forget the days(that / which)we spent ．where 指地點，在定語從句中作地點狀語。若先行詞是表地點的名詞，比如park, city, farm, place等；且定語從句中缺地點狀語時用where.(where = 介詞 + which)。若先行詞是表地點的名詞，定語從句中缺主語或賓語時，用that/which引導。I want to know the place where(= in which)I was is the city where I was house where I lived ten years ago has been pulled visited the farm where a lot of cows were is the city(which/that)I want to know a place where we can have a know a place which / that is famous for its beautiful natural ．why 指原因，在定語從句中作原因狀語。若先行詞是reason, 且定語從句中缺原因狀語時，用why引導（why=for which）。若先行詞是reason，定語從句中缺主語或賓語，用which/that引導。Please tell me the reason why you missed the don?t know the reason why he looks unhappy didn?t believe the reason(that/which)he explained to me注意：關系副詞引導的定語從句經?？梢杂谩敖樵~+關系代詞”引導的定語從句來表示。From the years when / in which he was going to primary school in the country he had known what he wanted to be when he grew changes are taking place in the city where / in which they reason why / for which he refused the invitation is quite 、“介詞+關系代詞which/whom”引導的定語從句關系代詞在定語從句中作介詞賓語時，從句常常由“介詞+關系代詞”引出。The school(which / that)he once studied in is very school in which he once studied is very I?ll bring here the magazine(which / that)you asked I?ll bring here the magazine for which you is the boy(whom / who / that)I played tennis with is the boy with whom I played tennis with ?ll go to hear the famous singer(whom / who / that)we have often talked ?ll go to hear the famous singer about whom we have often manager whose pany I work in pays much attention to improving our working manager in whose pany I work pays much attention to improving our working ：１． 含有介詞的固定短語動詞一般不拆開，介詞仍放在短語動詞的后面。如：look for, look after, take care of 等。This is the watch(which / that)I am looking for.(正)This is the watch for which I am looking.(誤)The babies(whom / who / that)the nurse is looking after are very healthy.(正)The babies after whom the nurse is looking are very healthy.（誤）２．若介詞放在關系代詞前，關系代詞指人時只可用whom，不可用who, that；關系代詞指物時只可用which，不可用that。The man with whom you talked just now is my neighbour.(正)The man with that / who you talked just now is my neighbour.(誤)The plane in which we flew to Canada was really fortable.(正)The plane in that we flew to Canada was really fortable.(誤)３．“介詞+關系代詞”前還可有some, any, none, all, both, neither, many, most, each, few等代詞或者數詞。如：He loves his parents deeply, both of whom are very kind to the basket there are quite many apples, some of which have gone are forty students in our class in all, most of whom are from big to now, he has written ten stories, three of which are about country 、限制性定語從句和非限制性定語從句根據從句與主句的關系是否緊密來區(qū)分，定語從句可分為限制性定語從句和非限制性定語從句兩大類。(一)限制性定語從句形式上：不用逗號“，”與主句隔開。意義上：是先行詞不可缺少的定語，如刪除，主句則失去意義或意思表達不完整。譯法上：譯成先行詞的定語：“．．．的”關系詞的使用上：A．作賓語時可省略 B．可用that C．可用who 代替whom(二)非限制性定語從句形式上：用逗號“，”與主句隔開。意義上：只是對先行詞的補充說明，如刪除，主句仍能表達完整的意思。譯法上：通常譯成主句的并列句。關系詞的使用上：A．不可省略 B．不用that C．不可用who 代替whom另外，關系副詞when和where既可引導限制性定語從句，也可引導非限制性定語從句；但關系副詞why則只能引導限制性定語從句，不能引導非限制性定語從句。In the street I saw a man who was from teacher told me that Tom was the only person that I could depend , which was founded in 1949, is being more and more summer I visited the People?s Great Hall, in which many important meetings are held every ’ll put off the piic until next week, when the weather may be was working in Aubury, where she went daily in a bus.(三)限制性定語從句中只能用that 引導定語從句的情況1．當先行詞是everything, anything, nothing(something 除外), all, none, few, little, some等不定代詞時，或當先行詞受every, any, all, some, no, little, few, much等不定代詞修飾時。Have you taken down everything that said? There seems to be nothing that is impossible to him in the that can be done has been done.。There is little that I can do for stayed in the library and looked up any information that they ：當先行詞指人時，偶爾也可用關系代詞who。Any man that / who has a sense of duty won?t do such a the guests that / who were invited to her wedding were important ．當先行詞被序數詞修飾時。The first place that they visited in London was the Big ．當先行詞被形容詞最高級修飾時。This is the best film that I have ever ．當先行詞被the very, the only修飾時。This is the very dictionary that I want to the fire in his house, the old car is the only thing that he ：當先行詞指人時，偶爾也可用關系代詞who。Wang Hua is the only person in our school who will attend the ．當先行詞前面有who, which等疑問代詞時。Which is the Tshirt that fits me mos