把句②变为句①的定语从句，句①中的theboy做定语从句的先行词。在句②中he指句①中提到的theboy也就是定语从句的先行词，he在句中做主语，因此要用who和that引导定语从句，代替句②中的he，也就是说he就不能出现在定语从句中了。由此得到句③Theboywho broke the window is called Jack.
The person must pay for it./He lost the library book.
→The person who lost the library book must pay for it.
The boy is very clever./He is wearing the black jacket.
→The boy who is wearing the black jacket is very clever.
请分析下面两个简单句：句①Do you know the young man？句②We met him atthegate.
把句②变为句①的定语从句，句①中的the young man做定语从句的先行词。在句②中him指句①中提到的theyoungman也就是定语从句的先行词，him在句中做宾语，因此要用whom，that或who引导定语从句，代替句②中的him，也就是说him就不能出现在定语从句中了。由此得到句③Doyouknow the young man who/that/whom we met atthegate？(who/that/whom可以省略，句子可以写作：Do you know the young man we metatthe gate？)
Mr.Lee has come./You want to see him.
→Mr.Lee who/whom/that you want to see has come.
This is the girl.
He worked with her in the office./→This is the girlwhom/that/whohe worked with in the office.
请分析下面两个简单句：句①The girl is staying at home today.句②Her motherisill.
把句②变为句①的定语从句，句①中的thegirl做定语从句的先行词。在句②中her指句①中提到的thegirl也就是定语从句的先行词，her在句中做定语，因此要用whose引导定语从句，代替句②中的her，也就是说her就不能出现在定语从句中了。由此得到句③Thegirlwhose mother is ill is staying at home today.
The boy is called LiLei./His parents were dead in the flood.
→The boy whose parents were dead is called LiLei
Mr.Wang is the policeman./His house caught fire last Sunday.
→Mr.Wang is the policeman whose house caught fire lastSunday.
1.Lets ask the man .He is reading the book over there.
2.The girl is Peters sister.We saw her yesterday.
3.This is Uncle Li.He mended computers for us.
4.I know the young man.You mean him.
5.I know the boy.His father is a scientist.
1.Have you seen the man _____ car was stolen just now？
A.its B.its C.whose D.which
2.On the bus I saw a student ____ I thought was your brother.
A.who B.whom C.which D.whoever
3.The foreigner ___ visited our school yesterday isfromCanada.
A.that B.which C.whom D./
4.Here is the man ____ you are looking for.
A.which B.whom C.what D.where
1.Lets ask the man who/that is reading the book over there.
2.The girl that/whom/who we saw yesterday is Peters sister.
3.This is UncleLi who/that mended computers for us.
4.I know the young man whom/that/who you mean.
5.I know the boy whose father is a scientist.
二、1-4 C A A B (编辑:赵露)