外研社必修三-module-5-grammar(共15张)课件.pptx--（课件中不含音视频）

1、contents关系词的用法介词+关系代词引导的定语从句1.关系代词的用法2.关系副词的用法3.关系代词辨析定语从句解题思路在主从复合句中作定语的句子叫定语从句。被修饰的名词或代词叫先行词，定语从句一般放在先行词的后面，由关系代词或关系副词引导。根据定语从句与主句的关系，定语从句可以分为限制性定语从句和非限制性定语从句。限制性定语从句为先行词在意义上不可缺少的定语，若去掉，主句内容就不完整或失去意义。这种从句和主句的关系十分密切，书写时不可用逗号分开。在非限制性定语从句中，主句和从句之间用逗号隔开，从句起补充说明作用，若省去，意思仍然完整。定语从句？关系代词人或物在从句中的成分that指人或物

2、主语、宾语、表语which指物主语、宾语、表语who指人主语、宾语whom指人宾语whose指人或物定语as指人或物主语、宾语、表语关系副词指？成分when指时间时间状语where指地点地点状语why指原因原因状语1 1.在限制性定语从句中作宾语的关系代词可以省略。在限制性定语从句中作宾语的关系代词可以省略。It is the book(that/which)I want to read.这是我想读的那本书。She is the girl(who/whom/that)I like.她是我喜欢的女孩。2.whose2.whose在定语从句中可用在定语从句中可用of whomof whom或或of

3、 whichof which代替，代替，但要注意使用形式。但要注意使用形式。This is the scientist whose achievements are well known.=This is the scientist,the achievements of whom are well known.=This is the scientist,of whom the achievements are well known.这就是那位成就卓越的科学家。3.as3.as引导限制性定语从句时，常和引导限制性定语从句时，常和suchsuch或或the samethe same连用；连用；

4、as as引导引导非限制性定语从句时，先行词是个句子，非限制性定语从句时，先行词是个句子，as as在从句中作主语或在从句中作主语或宾语。宾语。I have the same book as he has.我有和他一样的书。As is known to us all,China is in the east of Asia.众所周知，中国在亚洲东部。4 4.在非限制性定语从句中，关系代词在任何情况下都不能省在非限制性定语从句中，关系代词在任何情况下都不能省略，且略，且thatthat不引导非限制性定语从句。不引导非限制性定语从句。This is Bejing,which I have visi

5、ted for several times.这就是北京，我来过好几次了1 1.关系副词关系副词when/where=when/where=介词介词(in/on/at(in/on/at等等)+which,)+which,why=for+which.why=for+which.I still remember the day when/on which I first came to Beijing.我仍然记得第一次来北京的 那一天。2.where2.where引导定语从句时，其先行词可以是具体地点，引导定语从句时，其先行词可以是具体地点，也可以是模糊地点，如也可以是模糊地点，如situation

6、,case,point,stagesituation,case,point,stage等。等。They have reached the point where they have to separate from each other.他们已经到了必须分开的地步。定语从句中用that不用which的情况：(1)先行词是不定代词时。(2)先行词是形容词最高级或先行词前面有形容词最高级修饰时。(3)先行词前面有the only,the very,the right等词修饰时。(4)先行词是序数词或先行词前面有序数词修饰时。(5)先行词既有人又有物时(6)用于以which或who提问的特殊疑问句。

7、1.that 和 which2.This is the most interesting film that Ive ever seen.3.The only thing that we can do is to give you some money.4.What is the first American film that you have seen?5.Do you know the things and persons that they are talking about?6.Which is the book that you lost?1.Do you have anythin

8、g that you want to say?2.This is the most interesting film that Ive ever seen.3.The only thing that we can do is to give you some money.4.What is the first American film that you have seen?5.Do you know the things and persons that they are talking about?1.Do you have anything that you want to say?2.

9、as 和 whichas和which引导非限制性定语从句时有时可互换。但下列情况下只能用as,不能用which.(1)定语从句位于主句前时。(2)先行词作主语且定语从句为被动语态时。1.As we know,Chinese people are hard-working.2.He is late again,as is expected.“介词+关系代词”是普遍使用的结构。“介词+关系代词”结构中的介词可以是in,on,about,from,for,with,of,without等，关系代词只可用whom（指人）或which（指物），并且不能省略。Do you remember the day on which you joined our club?找主句找先行词一找二带三判四选择把先行词带入定语从句判断关系词代替先行词在从句中所作成分根据成分选择关系词This is the scientist achievements are well known.一找找主句找先行词二带把先行词带入定语从句三判判断关系词代替先行词在从句中所作成分在从句中做定语，修饰achievements四选择根据成分选择关系词在从句中指人做定语，根据表格用whose.This is the scientistscientistscientist”s achievements are well known.