1、Which one is Harry Porter?The boy _ is Harry Porter.who is wearing glasses定语从句定语从句Harry Porter is a boy who has magic power.先行词先行词 关系词关系词定语从句定语从句关系代词关系代词关系副词关系副词which,who,whom,whose,thatwhere,when，why关系代词在定语从句中有三关系代词在定语从句中有三个作用：个作用：1.引导一个定语从句；引导一个定语从句；2.在从句中代替先行词；在从句中代替先行词；3.在从句中担任某一句子成在从句中担任某一句子成份。
2、份。3that/whichthat/who/(whom)先行词为先行词为“物物”先行词为先行词为“人人”whose 所属关系所属关系TIPS:多用that4定从造句口诀：写找换连魔鬼练习（功能魔鬼练习（功能1：下定义）：下定义）5偷菜是一个由腾迅公司制作的游戏。Vegetable Stealing is a game.那个游戏由腾迅公司制作偷菜是一个游戏The game is made by Tencent.Vegetable Stealing is a game that is made by Tencent.主干、定语主干、定语写两句写两句先行词先行词找相同找相同看人、物看人、物换换（定语
3、）（定语）连词连词连接主句连接主句从句从句连主从连主从四步曲四步曲魔鬼练习（下定义）魔鬼练习（下定义）7刘翔就是刚刚和主席说话的那位帅哥。Liu Xiang is the handsome man.那位帅哥刚刚和主席说话。刘翔是那位帅哥。The handsome man spoke to our Chairman.Liu Xiang is the handsome man that spoke to our Chairman.魔鬼练习魔鬼练习8我喜欢你昨天买的那本书。I like the book that/which you bought yesterday.I like the book
4、you bought yesterday.that/which可以作定语从句的可以作定语从句的主语主语和和宾语宾语.可省略可省略魔鬼练习魔鬼练习刚才静香跟他讲话的男生叫大雄。The boy is DaXiong.JingXiang spoke to the boy.The boy that/who JX spoke to is DX.（功能（功能2：补充信息）：补充信息）那个男生叫大雄DaXiong。静香JingXiang刚才跟那个男生说话。The boy to whom JX spoke is DX.关系代词前有介词时关系代词前有介词时(介词提前介词提前).指指人只用人只用whom,指物只用
5、指物只用whichThis is the boy with whom he talked.This is the ring on which she spent 1000 dollars.I know the girl.The girls mother is a teacher.I know the girl whose mother is a teacher.I have a book.The books cover is blue.I have a book whose cover is blue.I have a book of which the cover is blue.whose
6、whose 在定语从句中作定语，表示引导词在定语从句中作定语，表示引导词与与 whosewhose 后的名词为所属关系。后的名词为所属关系。whosewhose多指人，也可指物，指物时可与多指人，也可指物，指物时可与 of whichof which互换使用互换使用,即即of which whom of which whom the+the+名名词。词。This is the book This is the book whosewhose cover is blue.cover is blue.This is the book This is the book of whichof whic
7、h the cover is blue the cover is blue.主语主语宾语宾语定语定语指人指人指物指物引导定语从句的关系代词引导定语从句的关系代词whothatwhichthatwhichthatwhose(of which)whom（优先）（优先）whothatwhose（of whom）序数词或形容词最高级修饰先行词时序数词或形容词最高级修饰先行词时 Tom is the cleverest boy I have ever known.This is the first play I have seen since I came here.thatthateverything
8、,something,nothing,all,anything,little,much等不定代词作先行等不定代词作先行词时词时 Everything that we saw in this film was true.先行词被先行词被every,some,no,all,any,little,much等修饰时。等修饰时。Ive read all the books that you lend me.先行词被先行词被the only,the very,the same,the last修饰时。修饰时。This is the very book belongs to him.主句已有主句已有who或
9、或which时时Who is the girl is standing under the tree?Which is the machine we used last Sunday?thatthatthat 当先行词同时指当先行词同时指人人和和物物时时Ive never heard of the people and things that you talked about just now.1.I have a friend _ likes listening to classical music.who/thatwhich/thatwhose3.The man _ leg broke i
10、n a match used to be a football player.2.Yesterday Emily was wearing the new dress _ I gave her.4.My parents live in a house_ is more than 100 years old.5.The boy with _ John spoke is my brother.which/thatwhom6.Kevin is reading a book _ is too difficult for him.which/that7.Is there anything _ you wa
11、nt to buy in the town.8.All _ we can do is to study hard.9.The first one _ stands up is a little boy.thatthatthat 1.这就是救了那个孩子命的医生这就是救了那个孩子命的医生.2.正在跑步的那个人是我的叔叔正在跑步的那个人是我的叔叔.3.我喜欢可以随之而唱的音乐我喜欢可以随之而唱的音乐.4.住在隔壁的那个女的是一名教师住在隔壁的那个女的是一名教师.1.这就是救了那个孩子命的医生这就是救了那个孩子命的医生.This is the doctor who saved the boys life.2.正在跑步的那个人是我的叔叔正在跑步的那个人是我的叔叔.The man who is running is my uncle.3.我喜欢可以随之而唱的音乐我喜欢可以随之而唱的音乐.I like the music that I can sing along with.4.住在隔壁的那个女的是一名教师住在隔壁的那个女的是一名教师.The woman who lives next door is a teacher.
