名词性从句good

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,名词性从句,定义:,在句子中起名词作用的从句叫名词从句。,作用:,在复合句中作宾语、表语、主语和同位语。,因此，名词性从句又可分为宾语从句、表语从句、主语从句和同位语从句。,一、宾语从句,1.作动词的宾语,1)引导词that 可省略,I hear(that)he will go to Shanghai tomorrow.,2)由what,whether(if)引导,I want to know what he has told you.I wonder whether you can change this note for me.,3)动词+间接宾语+宾语从句,She told me that she would accept my invitation.,2.作介词的宾语,Our success depends,upon how,well we can cooperate with one another.,3.It作为形式宾语,He has made,it,clear,that,he will not give in.See to,it that,children dont catch cold.,4.否定的转移,主句的谓语动词为think,consider,suppose,believe,expect,fancy,guess,imagine等,其后的宾语从句若含有否定词not,一般要把否定词not转移到主句谓语上,从句谓语用肯定.,I,dont,think this dress fits you well.,5.that不能省略的情况,1)and连接两个宾语从句,that宾语从句放在and后,Everybody could see what happened,and that,Tom was frightened.,2)that引导的宾语从句作介词宾语时,I know nothing about him,except that,he is from the south.,3)that从句位于句首时,That,he ever said such a thing I simply dont believe.,4)主句谓语动词与that从句之间有插入语时,We decided,in view of his special circumstances,that,we would admit him for a probationary,.,6.宾语从句的时态,1)主句用过去时,从句用一般过去时(如从句表示客观真理,可用现在时),Did,you see that the boys,were playing,football on the playground at that time?Yesterday Tom,said,that the earth,goes,round the sun.,2)主句为现在时时,从句可根据需要选用各种时态,I,think,that the Greens,have left,for Hawaii.I,want,to know if/whether he,will go,surfing this afternoon.,3)动词suggest(建议),insist(坚持,主张),prefer(宁愿),request(要求),require(要求,命令),demand(要求),order(命令),command(命令),advise(建议)等词后的宾语从句中,谓语动词要用虚拟语气,其构成是“should+动词原形”，其中should可省略,It was,suggested,that more teachers,should be,sent there to help them.Tom,insisted,that his leadership,be,recognized by all the boys.,7.宾语从句的引导词,1)连词:that,if,whether,2)连接代词:who,whose,what,which,3)连接副词:when,where,how,why,作业:用whose,whom,what,how,that填空.,1.I think _ he will be all right in a few days.,2.Do you know _ they are waiting for?,3.He asked _ dictionary it was.,4.Please pay attention to _ the teacher said.,5.Can you tell me _ I can get to the railway station?,二、表语从句,表语从句放在系动词之后，一般结构是“主语+连系动词+表语从句”,1、由that引导，that不作成分，只起连接作用。,The fact is,that we have lost the game,.The trouble is,that I have lost his address.,2、由whether引导表示不确定，由because引导表示原因,。,The point is,whether we should lend him the money.,It is,because I have ever heard of the story,.,3.what,which,who,whom,whose等连接代词及when,where,how,why等连接副词既引导句子又充当一定的句子成分.,The problem is,who we can get to replace her,.The question is,how he did it.,That was,what she did this morning on reaching the attic.,4.as if常与look,seem,sound等连系动词连用.,She looks,as if she would cry,.,5.在一些表示“建议，劝说，命令”的名词后的表语从句中，谓语动词用虚拟语气。,My,suggestion,is,that we,（should）,start early tomorrow,.,经典试题,1.We cannot figure out_ quite a number of insects,birds,and animals are dying out.A.that B.as C.why D.when 2.A modern city has been set up in_ was a wasteland ten years ago.A.what B.which C.that D.where 3.Parents are taught to understand_important education is to their childrens future.A.that B.how C.such D.so 4.You are saying that everyone should be equal,and this is _ I disagree.A.why B.where C.what D.how,C,A,B,B,5.I think Father would like to know_ Ive been up to so far,so I decide to send him a quick note.,A.which B.why C.what D.how,6.The road is covered with snow.I cant derstand_ they insist on going by motorbike.A.why B.whether C.when D.how,7.-Are you still thinking about yesterdays game?-Oh,thats_.,what makes me feel excited,whatever I feel excited about,how I feel about it D.when I feel excited,C,A,A,9.-I think its going to be a big problem.-Yes,it could be.-I wonder _ we can do about it.A.if B.how C.what D.that 10.Perseverance is a kind of quality-and thats _ it takes to do anything well.A.what B.that C.which D.why 11.I really dont know _ I had this photo taken.A.where it was that B.it was that C.where it was D.it was why,C,A,A,12.Never take _for granted that I will help you.Better depend on yourself.A.that B.it C.which D.this,13.It looks _he is unhappy today.A.that B.if C.as if D.whether 14.These wild flowers are so special I would do_ I can to save them.A.whatever B.that C.which D.whichever,15.The old woman was shocked by _ had happened to her daughter.A.whom B.which C.that D.what,B,C,A,D,三、主语从句,主语从句通常放在主句谓语动词之前或由形式主语it代替，而本身放在句子末尾。,1.it作形式主语的四个主要句型,1)It+be+名词词组(no wonder,an honor,a good thing,a pity,no surprise,etc.)+that从句,Its a pity that,we cant go.,Its no surprise that,our team should have won the game.,2)It+be+形容词(obvious,true,natural,surprising,good,wonderful,funny,possible,likely,certain,probable,etc.)+that从句,It is certain that,she will do well in her exam.,It is probable that,he told her everything.,3)It+be+过去分词(said,reported,thought,expected,decided,announced,arranged,etc.)+that从句,It is said that,Mr.Green has arrived in Beijing.,It is reported that,China has sent another man-made earth satellite into orbit.,4)It+不及物动词(seem,happen等)+that从句,It seemed that,Alice is not coming to the party at all.,It happened that,I was out that day.,2.主语从句的主谓一致,主语从句多表示单一概念,因此主句谓语