定语从句易错点.ppt
,高考英语语法三大从句易错点课件,（一）that,1.名词性从句中that 与what的区别2.that 在定语从句与名词性从句中的区别,1.名词性从句中that 与what的区别,1)Modern science has given clear evidence _ smoking can lead to many diseases.A.what B.which C.that D.where2)_ fashion differs from country to country may reflect the cultural differences from one aspect.A.What B.That C.This D.Which3)_ Barbara Jones offers to her fans is honesty and happiness.A.Which B.What C.That D.Whom,C,B,B,归纳1：,名词性从句中that只起连接作用，不作成分；而what作连接词并作主语，宾语或表语。（双重成分）=sth.+that,2.that 在定语从句与名词性从句中的区别,1)My decision is _ all of us are to start at 6 oclock tomorrow morning.A.what B.that C.which D.whether2)The view _ many scientists hold is _ too much emission of carbondioxide is destructive.A.what;that B.that;which C.that;that D.which;which,B,C,归纳2：,1.that在定语从句中（1）连接作用（2）代替先行词作主语，宾语或 表语2.that在名词性从句中（1）连接作用（2）不作成分,（二）what,1.what 与how2.whatever与however3.whatever与whichever,1.what 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 a2)You dont know _ great trouble I took to finish the task.A.how B.what C.however D.whatever,C,B,归纳1：,感叹句中what修饰名词，how修饰形容词或副词。：,小窍门,在第一个名词后加分割线，看后面动词是否缺主语。,You cant imagine _ great difficulty we have had working out such a difficult problem.(2)You cant imagine _great the difficulty is.,what,how,You cant imagine how clever a boy he is.,how+adj.+a/an+n.+主语+谓语,我与众不同呀！,2.whatever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.However2)This college allows students to develop their own interests,to_ extent they wished.A.whoever B.whatever C.however D.whenever,D,B,3.whatever与whichever,1)All the books I have are here.You may borrow _ you like.A.whatever B.whichever C.whenever D.however2)The poor young man is ready to accept _ help he can get.A.whichever B.however C.whatever D.whenever,B,C,Gifts for you!,You can take whichever you like.,1,2,3,4,5,6,（三）where,1.介词+which与where2.where在名词性从句中的抽象意义,1.介词+which与where,1)Youd better not leave the medicine _ kids can get it.A.even if B.in which C.where D.so that2)This photo of mine was taken _ stood the famous tower before the 9.11 event.A.which B.in which C.at the place where D.there3)Can you tell me the office _he works?A.which B.in which C.in where D.there,C,C,B,归纳1:,只有在定语从句中where=介 词+which2.状语从句中where=at/in/on/to the place where,2.where在名词性从句中的抽象意义,1)-I prefer shutting myself in and listening to music all day on Sunday.-Thats _ I dont agree.You should have a more active life.A.where B.how C.when D.what2)-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.how,A,B,归纳2：,where有时表抽象的含义，不同的情况意义不同。1.Thats where we differ.这就是我们的分歧所在。2.Thats where we stand.这就是我们的立场。,正确分析句子结构看清句子所缺成分,agree,disagree,differ,stand,lie不及物,四、“模糊地点”作先行词的定语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.why2)Those successful deaf dancers think that dancing is an activity _ sight matters more than hearing.A.when B.whose C.that D.where,B,D,“模糊地点”定语从句与同位语从句,1.表抽象地点的先行词有：point,case,position,situation,condition,state,scene,business,stage等。2.只有在内容方面需要进一步阐明的一些抽象名词如：idea,truth,hope,suggestion,thought,belief,doubt,consensus，fear,news,word,possibility，fact,promise,order 等才可以带同位语从句。,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：in the 先行词+从句=in which=where,五、so/such+as从句与 so/such+that 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.as2)This is so heavy a box _ no one can lift it up.A.that B.if C.in order that D.as,D,A,归纳：,as 引导定语从句，作主语，宾语或表语。that引导结果状语从句，只起连接作用。突破点：看从句是否完整。,六、as与while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 tried2)_ all of them are strong candidates,only one will be chosen for the post.A.Since B.While C.If D.As,D,B,归纳：,as:表语/状语/v.+as+主语+谓语while：位于句首+正常语序,as:我不按常规出牌。while:我始终位居第一。as:你真牛！,学以致用（Translate）,让我没有想到的是他取得了这么大的进步。不管事情多么艰难，我们都不应该放弃。事情发展到了我们必须放弃工作的程度了。尽管他是个孩子，他却知道很多。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.,Thanks!,
