介词提前基础

1、目标:学会在定语从句中介词+关系代词的使用。能完成介词+关系代词相应的练习。The man （who/whom） you spoke was a scientist.The city （that/which） she lives is far away.toinAre these two sentences right?一、关系代词的选用一、关系代词的选用 原则：可见原则：可见,who、that 不能用与介词之后不能用与介词之后 1. 当介词放在关系代词前面时，关系代词只能用当介词放在关系代词前面时，关系代词只能用whom(指人指人)或或which(指物指物)，且关系代词不能，且关系代词不能省

2、略。省略。The man with whom you talked just now is my neighbor. I cant find the pen with which I was writing .一、关系代词的选用一、关系代词的选用2. 当介词位于定语从句末尾时，可用当介词位于定语从句末尾时，可用 which/that(指物指物), who/whom/that(指人指人)作从句作从句中介词的宾语中介词的宾语.而且作介词宾语的关系代词可以而且作介词宾语的关系代词可以省略。省略。(whom/who/that)(which/that)Dad is a person_ I can eas

3、ily talk to.Is this the play _ you were talking about just now?一、关系代词的选用一、关系代词的选用Is this the watch that you are looking for?The old man whom I am looking after is better .当介词位于定语从句末尾时，可用当介词位于定语从句末尾时，可用 which/that(指指物物), who/whom/that(指人指人)作从句中介词的宾语作从句中介词的宾语.而且作介词宾语的关系代词可以省略。而且作介词宾语的关系代词可以省略。 下面两句中的介

4、词能提前吗下面两句中的介词能提前吗?二、介词的提前二、介词的提前1）、看定语从句中动词与介词的搭配）、看定语从句中动词与介词的搭配This is the book_ which you asked注意：动词短语不能拆开即介词不能提前 forThe old man whom I am looking after is better .三、介词的选择三、介词的选择2）、看定语从句中形容词与介）、看定语从句中形容词与介词的搭配词的搭配He referred me to some reference books _ which I am not very familiar.with三、介词的选择三、介

5、词的选择3）、根据先行词判断，所用的介词）、根据先行词判断，所用的介词与先行词与先行词 搭配搭配This is our classroom , _ which there is a teachers desk.in the front of三、介词的选择三、介词的选择4. 先行词是先行词是the way，意为，意为“方式，方法方式，方法”时，引时，引导定语从句的关系词用导定语从句的关系词用that/ in which或省略。或省略。 I didnt like the way _ she talked to me. The way _he teaches English is interesti

6、ng.（that/in which）（that/in which）三、介词的选择三、介词的选择5.5.非限制性定语从句非限制性定语从句中，要表示先行词中，要表示先行词的一部分时，可用的一部分时，可用“数词数词/ /代词代词 + of + of + + 关系代词关系代词”的结构，如：的结构，如：e.g. There are 50 students in our class, two- thirds of whom have been to Beijing.三、介词的选择三、介词的选择练习练习* “of + which/whom”可用来限定名词、代词、可用来限定名词、代词、分数词、数词等。分数词、

7、数词等。e.g. 1. In the dark street, there wasnt a single person _ she could turn for help. A. that B. who C. from whom D. to whom 2. He paid the boy $10 for washing the windows, most of _ hadnt been cleaned for at least a year. A. these B. those C. that D. which DD6. Whose从句可转换为从句可转换为“ of +关系代词关系代词”型，型，

8、如：如：e.g. They live in a house, whose door opens to the south. They lived in a house, of which the door opens to the south. They lived in a house, the door of which open to the south.三、介词的选择三、介词的选择Can you work them out?Fill in the blanks with proper prepositions:1. The sun gives us heat and light, _

9、which we cant live.2. The student _ whom we were talking just now is the best student in our class.3. Ill never forget the day _ which she said good-bye to me.4. Who can give me the reason _ which he hasnt turned up yet?foraboutonwithout 1. Do you like the book she spent $10? 2. Do you like the book

10、 she paid $10? 3. Do you like the book she learned a lot? 4. Do you like the book she often talks? 5. He built a telescope he could study the skies.介词介词+关系代词的情况关系代词的情况 练习练习on whichfor whichfrom whichabout whichthrough which 6. There is a tall tree outside, stands our teacher. 7. China has a lot of rivers, the second longest _ is the Yellow River. 8. The tower _ people can have a good view is on the hill. 9. The man _ I spoke on the phone last night is very go