介词加关系代词定从PPT课件

1、介词介词+ +关系代词关系代词“介词+关系代词”引导定语从句时，介词的宾语只能用which（指物）或whom(指人)，whose既可指人也可指物,即介词+which/whom/whose.第1页/共28页介词+关系代词1. 介词+关系代词与when、where或why转换2. 介词的选用3. “介词+关系代词”型定语从句四大考点第2页/共28页Point 1介词+关系代词与when、where或why转换 关系副词：在句中作状语 关系副词=介词+关系代词 第3页/共28页关系副词: when, where, why(1)when指时间，在从句中作时间状语。when=during/ on/ in

2、/ . which (介词同先行词搭配) (2) where指地点，在从句中作地点状语。 where=in/ at/ on/ . which (介词同先行词搭配) (3) why的先行词只有reason，why在从句中作原因状语。 why=for which (4)先行词指物时，whose= the + n. of which第4页/共28页关系副词关系副词 whereThis is the house in which / where he used to live.This is the house (which/that ) he used to live in.I know of a

3、place in which / where we can swim.I know of a place (which /that ) we can swim in.第5页/共28页Theyll never forget July 1 _ Hong Kong returned to its motherland.The days _ we used foreign oil are gone forever.关系副词关系副词whenThere was a time _ the businessman lost heart.when= on whichwhen= on whichwhen第6页/共

4、28页先行词是表示原因的名词，先行词是表示原因的名词，即即reason，在定语从句中充在定语从句中充当原因状语，当原因状语，用用why，这时一般可以用这时一般可以用for which来代来代替替:I dont know the reason why/ for which he did it.The reason why/ for which he was fired was not clear. 试比较：试比较：The reason _he explained to the teacher is not true.The reason _ was explained to the teache

5、r is not true.(which/ that)（作宾语）（作宾语） which /that （作主语）（作主语）关系副词why 第7页/共28页 先行词是position, situation, point, case, condition等时在定语从句中作状语用关系副词where连接.They are in such a situation where everything is in disorderThe police are looking into the case where two VIPs were killed.Can you make a sentence wher

6、e this verb can be used?They were at the point where/at which they had to decide what to de next.第8页/共28页Point 2: 介词的选用考虑三个因素: “一先,二动,三意义”1.根据定语从句中先行词的搭配习惯确定I never forget the days during which I studied hard. I never forget the day on which I went to college.I never forget the year in which I went

7、to college.daysdayyear第9页/共28页Point 2: 介词的选用2. 根据定语从句中谓语动词的搭配习惯确定Have you found the book for which I paid $10?Have you found the book on which I spent $10?Have you found the book about which she often talks?paidspenttalks第10页/共28页Point 2: 介词的选用3.根据定语从句所表达的意义来确定Air, _ which man cant live, is really i

8、mportant.The film _ I fell asleep was very boring.The pen _which he is writing now was bought yesterday.during whichwithoutwith第11页/共28页This is the river _we often have a walk. _a bridge was built. _ there is a boat.by/besideon whichover/across whichalong which_which there is a factory.第12页/共28页Poin

9、t 3 “介词介词+关系代词关系代词”定语从句四大考点定语从句四大考点1、恰当的简单介词、恰当的简单介词+关系代词关系代词We managed to find a boat,_we could get to the island.The lab,_the experiments used to be done,is being repaired.She is a girl _you can share your sorrow and happiness.in whichin whichwith whom第13页/共28页2.复杂介词复杂介词+关系代词关系代词We got to a house

10、at the back of which was a large garden.Is there a certain test by means of which the No. 1 will be decided? as a result of,because of,by means of,in front of,at the back of,at the top of 等等第14页/共28页3.the +n.+of +关系代词关系代词The headmaster_ _(他的学校）他的学校） Mr Brown teaches in is a man who works hard.Recent

11、ly I bought an ancient Chinese vase, _(它的价格）它的价格） was very reasonable. whose price/the price of which whose school/the school of whomWhose从句可转换为“ the + of +关系代词”型第15页/共28页4.some/any/all/both/none/neither/either/most/many/few/数词（序数词数词（序数词/基本数词基本数词/分数或分数或百分数）百分数）/the 比较级比较级(最高级最高级) of +关系代词关系代词The chi

12、nese team won 16 gold medals ,_(其中有其中有12枚）枚）were won by women.He paid the boy $10 for washing ten windows,_(他们中有绝大多他们中有绝大多数）数）hadnt been cleaned for at least a year.12 of whichmost of which第16页/共28页逗号不可以连接两个句子逗号不可以连接两个句子 不定代词不定代词/数词数词/名词名词+ 介词介词+which /whom + 从句从句She has three sons, all of whom join

13、ed the army.She has three sons, two of whom were engineers.I want a room, the window of which faces the south.注意注意第17页/共28页 I picked up the apples, I picked up the apples, _ were bad._ were bad. I picked up the apples. I picked up the apples. _ were bad._ were bad. I picked up the apples I picked up

14、 the apples and / but _ and / but _ were bad.were bad.some of whichsome of whichS Some of themome of themsome of themsome of them第18页/共28页 I have lots of friends, and some of _are friendly. I have lots of friends. Some of _are friendly. I have lots of friends, some/none of _are friendly.whomthemthem

15、第19页/共28页Practice第20页/共28页1.Do you know who lives in the building_there is a well? A.in front of it B. in front of whoseC.in front of which D.in front which2.Ill never forget the day_I joined the League. A.on which B.in which C.which D.at which3.The woman_my brother spoke just now is my teacher. A.

16、who B.to whom C.to who D whomCAB第21页/共28页 4.Jeanne was her old friend,_she borrowed a necklace. A.from who B.from whom C.to that D.to whom 5.His glasses,_he was like a blind man,fell to the ground and broke its leg. A.which B.with which C.without which D.thatBC第22页/共28页6.she is a teacher of much kno

17、wledge,_much can be learned. A. who B. that C. from which D. from whom7.He built a telescope_he could study the skies. A. in which B. with that C. through which D. by it8.Do you know the reason_he was late?A. that B.which C. for what D.for whichDCD第23页/共28页9.I have bought two ballpens,_writes well.

18、A.none of which B.neither of which C.none of them D.neither of them10.The Second World War_millions of people were killed in 1945. A.during which B.in that C.where D.on whichBA第24页/共28页11.China has many rivers,_the Changjiang River is the longest. A.which B. in which C.among which D. one of which12.

19、This is the very knife_I used to cut apples yesterday. A.that B.by which C.which D.with which13.The speed_which you drive your car mustnt too high.14.In the park there are many flowers,the colour_ which is bright and nice.15.The little girl is reading a book,_which there are many pictures.16.What were the things_which he was not too sure?CDatofinabout第25