1、定语从句定语从句初中英语语法初中英语语法概念概念:在复合句中修饰名词或代词在复合句中修饰名词或代词 的句子的句子.(Attributive clause)Mary is a beautiful girl.Mary is a girl who has long hair.形容词作定语形容词作定语句子作定语句子作定语,修饰修饰girl,叫做叫做定语从句定语从句先行词先行词关系词关系词定语从句定语从句Mary is a girl who has long hair.关系代词关系代词关系副词关系副词which,who,whom,whose,thatWhere,whenwhy 关系代词的用法关系代词的用
2、法:当先行词是物时当先行词是物时,用用which 或或that引导引导.当先行词是人时当先行词是人时,用用who,whom,whose,that引导引导.先行词充当主语或宾语，则用关系代词。先行词充当主语或宾语，则用关系代词。Mary is a girl who has long hair.1.The doll is in the box.2.I like the doll.关系代词关系代词:which,who,whom,whose,that The doll I like is in the box.which/that1.The women is a teacher.2.The women
3、 is speaking at the meeting.关系代词关系代词:which,who,whom,whose,that The women is speaking at the meeting is a teacher.who1.I know the women.2.The womens daughter is in our class.关系代词关系代词:which,who,whom,whose,thatI know the women daughter is in our class.whose that 可以作定语从句的可以作定语从句的主语和宾语主语和宾语.注意注意:关系代词作动词关
4、系代词作动词宾语宾语时可时可 省略省略.The book you are reading is mine.(that)关系词关系词先行词所指先行词所指 关系词在关系词在从句从句中作用中作用关系关系代词代词that人人/物物主语、宾语、表语主语、宾语、表语which物物主语、宾语主语、宾语who人人主语、宾语主语、宾语whom人人宾语宾语whose人人/物物定语定语(whose+n.)The use of the relative pronoun(关系代词关系代词)口诀口诀:前看先行词前看先行词,辩清人或物辩清人或物 后看从句里后看从句里,有无主宾语有无主宾语1.The teachers are
5、 present at the meeting are all experienced teachers.2.I have a big family consists of 5 girls and 3 boys.3.Tom is the boy hand-writing is very good in our school.whowhosePractice：which/thatThe Attributive Clause 2定语从句-Relative Adverbs关系副词关系副词关系词的选择关系词的选择看关系词（先行词）在从句中充当的成分看关系词（先行词）在从句中充当的成分 主语，宾语主语，
6、宾语关系代词关系代词 状语状语关系副词关系副词关系副词关系副词whenwhenwherewhere why why1.when 表示时间，其先行词往往是表示时间表示时间，其先行词往往是表示时间的名词（如的名词（如:time/day/hour/year等）。等）。2.where 表示地点，其先行词往往是表示地点表示地点，其先行词往往是表示地点的名词的名词(如：如：place/room/house等等)。3.why 表示原因，常用在先行词表示原因，常用在先行词reason 后。后。关系副词关系副词-when,where,why 在从句在从句中做中做状语状语Hell never forget the
7、 day when his gramma passed away.先行词先行词关系副词关系副词在定语从句中充当在定语从句中充当时间状语时间状语 whenwhenCan you tell me the reason why you quited your job?先行词先行词关系副词关系副词在定语从句中充当在定语从句中充当原因状语原因状语 whywhy I went to the house where the party was held?关系副词关系副词在定语从句中充当在定语从句中充当地点状语地点状语 wherewhere 先行词先行词关系副词关系副词指代指代在从句中的作用在从句中的作用wh
8、ere(=in/at which)when(=at/in/on/during which)why(=for which)时间时间地点地点原因原因时间状语时间状语地点状语地点状语原因状语原因状语关系副词引导的定语从句关系副词引导的定语从句 The year on which/when I entered the college was 2000.The reason why/for which she didnt do her homework was that she was ill.The house in which he lives is beautiful.which/that he
9、lives in is beautiful.where he lives is beautiful.when的用法举例：的用法举例：He can never forget the day when his gramma passed away.试比较：试比较：He can never forget the summer(that/which)he spent in UK.where的用法举例：的用法举例：The nice house where she lived was sold out yesterday.试比较：试比较：The nice house which/that was left
10、 by her father was sold out yesterday.why的用法举例：的用法举例：This is the reason why I left.试比较：试比较：This is the reason(that/which)he gave to her.1、This is the company _ my father worked 10 years ago.A、thatB、whenC、whichD、wherePractice Makes Perfect!D2、This is the school_we visited last year.A、whereB、whichC、wh
11、atD、the oneB3、Let me think of a proper situation _ this word can be used.A、whereB、thatC、of whomD、whichA4、He told me the reason _ he didnt show up.A、whichB、thatC、whyD、whatC5、This is the reason _ she told me.A、thatB、whyC、on whichD、for thatA6、She will never forget the day_ she spent in China.A、whenB、wh
12、atC、whichD、whyC7.Do you know the date _ the house was sold out?A.which B.where C.that D.whenD8.This is the houses _ he lived when he was a teenager.A.which B.that C.in where D.in which D9.This is the place _ we visited the other day.A.that B.in which C.where D.whomA改错改错1.Im going to work in the comp
13、any where needs me.2.This is the house where I once lived there.3.This is the factory which I worked for 10 years.4.We know the house at which our uncle lives.5.June 1,2020 is the day when well never forget.6.The reason which he explained it sounds unreasonable.that/which where/in whichin which/thatConclusion 小结小结 先行词充当主语、宾语，则用关系代词先行词充当主语、宾语，则用关系代词 that,which,who,whom,whose 定语从句定语从句先行词充当状语，则用关系副词先行词充当状语，则用关系副词 where,when,why 1.写写5组定语从句（分别用关系代词组定语从句（分别用关系代词 that,which,who,whom,whose 进行造句。）进行造句。）2.写写3组定语从句（分别用关系副词组定语从句（分别用关系副词 where,when,why 进行造句。）进行造句。）
