定语从句易错点课件.ppt

1、高考英语语法三大从句易错点高考英语语法三大从句易错点课件课件（一）that 1.名词性从句中名词性从句中that 与与what的区别的区别 2.that 在定语从句与名词性从句中的区别在定语从句与名词性从句中的区别 1.名词性从句中名词性从句中that 与与what的区别的区别 1)Modern science has given clear evidence _ smoking can lead to many diseases.A.what B.which C.that D.where 2)_ fashion differs from country to country may refl

2、ect the cultural differences from one aspect.A.What B.That C.This D.Which 3)_ Barbara Jones offers to her fans is honesty and happiness.A.Which B.What C.That D.Whom C B B归纳归纳1：名词性从句中名词性从句中that只起只起连连接作用，不作成分接作用，不作成分；而；而what作连接词并作主语，作连接词并作主语，宾语或表语宾语或表语。（双重成分）。（双重成分）=sth.+that2.that 在定语从句与名词性从句中在定语从句与名

3、词性从句中的区别的区别 1)My decision is _ all of us are to start at 6 oclock tomorrow morning.A.what B.that C.which D.whether 2)The view _ many scientists hold is _ too much emission of carbon dioxide is destructive.A.what;that B.that;which C.that;that D.which;whichB C归纳归纳2：1.that在定语从句中在定语从句中 （1 1）连接作用）连接作用 （2

4、 2）代替先行词作主语，宾语或）代替先行词作主语，宾语或 表语表语2.that在名词性从句中在名词性从句中 （1）连接作用）连接作用 （2）不作成分）不作成分（二）what 1.what 与与how 2.whatever与与however 3.whatever与与whichever1.what 与与how 1)_ some teenagers dont realize is _ difficult life can be after they get addicted to drugs.A.That;how B.That;what a C.What;how D.What;what a 2)Yo

5、u dont know _ great trouble I took to finish the task.A.how B.what C.however D.whatever C B归纳归纳1：感叹句中感叹句中what修饰修饰名词名词，how修饰修饰形容词或副词形容词或副词。：在第一个名词后加分在第一个名词后加分割线，看后面动词是否缺割线，看后面动词是否缺主主语语。You cant imagine _ great difficulty we have had working out such a difficult problem.(2)You cant imagine _great the

6、difficulty is.whathowYou cant imagine how clever a boy he is.how+adj.+a/an+n.+主语主语+谓语谓语我与众不同呀！我与众不同呀！2.whatever与与however 1)_ hungry I am,I never seem to be able to finish off this loaf of bread.A.Whatever B.Whenever C.Wherever D.However 2)This college allows students to develop their own interests,t

7、o_ extent they wished.A.whoever B.whatever C.however D.whenever D B3.whatever与与whichever 1)All the books I have are here.You may borrow _ you like.A.whatever B.whichever C.whenever D.however 2)The poor young man is ready to accept _ help he can get.A.whichever B.however C.whatever D.whenever B CGift

8、s for you!You can take whichever you like.123456（三）where 1.介词介词+which与与where 2.where在名词性从句中的抽象意义在名词性从句中的抽象意义1.介词介词+which与与where 1)Youd better not leave the medicine _ kids can get it.A.even if B.in which C.where D.so that 2)This photo of mine was taken _ stood the famous tower before the 9.11 event.

9、A.which B.in which C.at the place where D.there 3)Can you tell me the office _he works?A.which B.in which C.in where D.thereCC B归纳归纳1:只有在只有在定语定语从句中从句中where=介介 词词+which2.状语从句中状语从句中where=at/in/on/to the place where2.where在名词性从句中的抽象意义在名词性从句中的抽象意义 1)-I prefer shutting myself in and listening to music al

10、l day on Sunday.-Thats _ I dont agree.You should have a more active life.A.where B.how C.when D.what 2)-Do you think it wise for mothers to do everything for their children?-No,thats _ they are mistaken.A.what B.where C.when D.howAB归纳2：where有时表抽象的含义，不同有时表抽象的含义，不同的情况意义不同。的情况意义不同。1.Thats where we diff

11、er.这就是我这就是我们的分歧所在。们的分歧所在。2.Thats where we stand.这就是我这就是我们的立场。们的立场。正确分析句子结构正确分析句子结构看清句子所缺成分看清句子所缺成分agree,disagree,differ,stand,lie不及物不及物四、四、“模糊地点模糊地点”作先行词的定语作先行词的定语从句与同位语从句的区别从句与同位语从句的区别 1)I have reached a point in my life _ I am supposed to make decisions of my own.A.which B.where C.how D.why 2)Thos

12、e successful deaf dancers think that dancing is an activity _ sight matters more than hearing.A.when B.whose C.that D.whereBD“模糊地点模糊地点”定语从句与同位语从句定语从句与同位语从句1.表抽象表抽象地点地点的先行词有：的先行词有：point,case,position,situation,condition,state,scene,business,stage等。等。2.只有在只有在内容内容方面需要进一步阐明的一些抽方面需要进一步阐明的一些抽象名词如：象名词如：ide

13、a,truth,hope,suggestion,thought,belief,doubt,consensus，fear,news,word,possibility，fact,promise,order 等才可以带同位语从句等才可以带同位语从句。小窍门小窍门1.In the activity sight matters more than hearing.2.The activity is that sight matters more than hearing.X定语从句：定语从句：in the 先行词先行词+从句从句 =in which=where五、五、so/such+as从句与从句与 s

14、o/such+that 从句的区别从句的区别 1)As a teacher,I seldom give my students so difficult a problem _ they cannot work out.A.that B.if C.in order that D.as 2)This is so heavy a box _ no one can lift it up.A.that B.if C.in order that D.asDA归纳：归纳：as 引导引导定语定语从句，作主语，从句，作主语，宾语或表语。宾语或表语。that引导引导结果状语结果状语从句，只起从句，只起连接作用。

15、连接作用。突破点：突破点：看从句是否完整。看从句是否完整。六、六、as与与while在让步状语从句中的运用在让步状语从句中的运用 1)He was unable to make such progress,_.A.as he tried hard B.hard as he tried C.so hard did he try D.as hard he tried 2)_ all of them are strong candidates,only one will be chosen for the post.A.Since B.While C.If D.AsDB归纳：归纳：as:表语表语/状

16、语状语/v.+as+主语主语+谓语谓语while：位于句首：位于句首+正常语序正常语序as:我不按常规出牌。我不按常规出牌。while:我始终位居第一。我始终位居第一。as:你真牛！你真牛！学以致用（学以致用（Translate）让我没有想到的是他取得了这么大的让我没有想到的是他取得了这么大的进步。进步。不管事情多么艰难，我们都不应该放不管事情多么艰难，我们都不应该放弃。弃。事情发展到了我们必须放弃工作的程事情发展到了我们必须放弃工作的程度了。度了。尽管他是个孩子，他却知道很多。尽管他是个孩子，他却知道很多。请把它放回它属于的地方。请把它放回它属于的地方。What I didnt realize was that he had made such great progress.However hard it is,we shouldnt give it up.It has reached a point where we have to give up our work.Child as he is,he knows a lot.Please put it back where it blongs.