高中英语：unit4 grammar课件新人教版必修3 课件.ppt

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,*,主语从句,Who will win the match,is still unknown.,I want to know,what he has told you,.,The fact is,that we have lost the game,.,The news,that we won the game,is exciting.,主语从句,宾语从句,表语从句,名词性从句,的作用相当于名词，因此主语从句、表语从句、宾语从句和同位语从句分别作主句的主语、表语、宾语和同位语。,同位语从句,Noun Clauses,(,名词性从句,),Subject Clause,(,主语从句,),Appositive Clause,（同位语从句）,Object Clause,（宾语从句）,Predicative Clause,（表语从句）,Is the moon a planet?This question is _if students are to show that they understand the nature of _.Some scientists think that the earth _ the moon because the moon circles our planet.Others believe that the moon _ before the earth was formed.They think that earlier in time it travelled through space as a small planet which was caught by the earths gravity._,it goes around our planet.The evidence for this theory is that the _ that make up the rocks on the moon seem to be different from those on earth.What is clear is that the moon is smaller than the earth and this _ it _ escaping from the earth.Although its origin may still be a _,the moon can never be anything more than a satellite of the earth.,fundamental,astronomy,gave birth to,existed,As a result,atoms,prevents,from,puzzle,Is the moon a planet?This question is _if students are to show,that they understand the nature of _.,Some scientists think,that the earth _ the moon,because the moon circles our planet.Others believe,that the moon _ before the earth was formed.,They think,that earlier in time it travelled through space as a small planet which was caught by the earths gravity.,_,it goes around our planet.The evidence for this theory is,that the _ that make up the rocks on the moon seem to be different from those on earth.,What is clear,is,that the moon is smaller than the earth,and this _ it _ escaping from the earth.Although its origin may still be a _,the moon can never be anything more than a satellite of the earth.,fundamental,astronomy,gave birth to,existed,As a result,atoms,prevents,from,puzzle,o,o,o,o,p,s,p,主语从句：,做主语用的名词性从句，因其在复合句中做主语，又称主语从句，引导主语从句的有连词,that,，,whether,，连接代词,who,，,what,，,which,，连接副词,when,，,where,，,how,，,why,等。,1,）,从属连词,：,that,，,whether,等,.,that,引导主语从句只起引导作用，本身无实际意义，在主语从句中不充当任何成分，但,不能省略,。,That,people cut down too many trees,destroyed the balance of nature.,Whether,life will continue on the earth for millions of years to come will depend on whether this problem can be solved.,.,It,was not clear,whether,the solid shape would last or not.,Subject Clause,Subject,Formed Subject,Whether,the solid shape would last or not was not clear.,Real,引导主语从句在句首只能用,whether,有,it,作形式主语的,whether/if,都可以,.,Conclusion:,if,If,注意,:,由,that,引导的主语从句有时为了使句子结构平衡,避免,“,头重脚轻,”,常用,it,作,形式主语,而把从句放在后面。例如,:,1.,That,he will refuse this piece of advice,is impossible.,_ _,2.,That they should like each other,is natural.,_,*it,为形式主语,It,is natural,that,they should like each other.,It,is impossible,that,he will refuse this piece of advice.,这样就构成了下面一些常用句型,:,1)It is+n.+,从句,It is a pity/shame that.,遗憾的是,It is a surprise that,令人惊奇的是,It is a fact that ,是事实,It is common knowledge that,是常识,*,_(,很遗憾,)we lost the match.,*_(,这是事实,)he cheated in the exam.,It is a pity that,It is a fact that,2)It is+adj.+,从句,Its certain that,肯定,It is possible that.,很可能,It is unlikely that.,不可能,It is obvious that,很明显,It is necessary important natural.that,*_(,很可能,)she will come back tomorrow.,*_(,很明显,)this measure is effective.,+(should)+do,It is possible that,It is obvious that,3)It+,不及物动词,+,从句,It happened that.,碰巧,It occurred to me that,我突然想起,*_(,刚好,)I came into the office at that time.,*_(,我突然想起,)I forget to sent the letter.,It happened that,It occurred to me that,4)It+be+,过去分词,+,从句,It is said that.,据说,It is known to all that.,众所周知,It is reported that.,据报道,It is believed that.,据信,;,人们相信,It is suggested that+,(should,）,do,.,建议,It must be admitted that,必须承认,It cannot be denied that,不可否认,It must be pointed out that,需指出的是,*,_(,据报道,)20 people were killed in the accident.,*_(,建议,)we,should,eat more vegetable and do more exercise.,It is reported that,It is suggested that,：,They should like each other is natural.,：,That they should like each other is,natural.,：,It is natural that they should like,each other.,：,If Mary really heard him is really doubtful.,：,It was doubtful if Mary really heard him.,T or F questions,2.,连接代词,who,，,what,，,which,whatever,whichever,whoever,What,many scientists believe,is that the continued presence of water,Who will take part in the meeting,has not been decided.,Whoever breaks the law,will be punished.,Which student will win the first is uncertain.,3),连接副词,when,，,where,，,how,，,why,等。,Why,they suddenly disappeared,still remains a mystery.,When,they will set off,is not decided.,Where,she is from,is unknown.,How,we will paint the house,has not been decided.,Complete the sentences using,what,whether,where,when,，,who,why,how,or,that,.,1.(_ is needed for success),is,your hard work.,3.(_ we will go tomorrow),hasnt,been decided yet.,2.(_ they will arrive),has,been told to the teacher.,4.(_ can join in the sport meet),is,decided by the teacher.,5.(_ it will rain or not),is,not clear.,7.(_ the earth is a solid ball),is,known to us all.,What,When/How,Where/whether,Who,Whether,That,6.,(_ the earth is becoming warm),is,a good topic for research.,Why,主语从句作主语时，谓语动词一般用单数形式。,Conclusion:,用,that/whether/if/where/how/when/why,/,who/what/which/how much/etc.,来连接主语从句,.,Summary:,Subject Clause,3.,引导主语从句在,句首,只能用,whether,有,it,作形式主语的,whether/if,都可以,.,2.That,在主语从句中,不能省略,.,4.,有时为了使句子,结构平衡,避免,“,头重脚轻,”,常用,it,作形式主语,而把从句放在后面,.,4,种句型。,5.,主语从句作主语时，谓语动词一般用单数形式。,2.,_ they can solve the question,is still,unknown.,A.If B.Which C.Whether D.What,3.,_ he said at the meeting,astonished,everybody.,A.Why B.What C.That D.Who,4._ is a fact,that English is accepted as an,international language.,A.There B.This C.That D.It,1.,_ we need more practice,is quite,obvious.,A.What B.That C.When D./,Pick up one number and finish the task in it,then you can get some points.,Game Time!,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,Correct or not?,*When the meeting will be held havent been known yet.,.be held,hasnt,been known yet.,Pay attention:,主语从句的谓语用,单数,形式,10,the cat do,made,What the cat did made the baby cry.,What,cry,Make a sentence,30,1.The question is _ the film is worth seeing.,2._ we shall attend the meeting hasnt been decided yet.,用,whetherif,填空,whether,Whether,10,Translate the sentence,*_(,他们很需要帮助,),is quite clear.,That,they are badly in need of help,20,talk about,the use of,cell phone,What they are talking about,is the,use of cell phone.,Make a sentence,30,*,If we will have a meeting hasnt been decided yet.,Correct or not?,Whether,we will.,decided yet.,Pay attention:,放在名词性从句,句首,，表示“是否”，只能用,whether,不能用,if,10,Translate the sentence,*It is known to us_,_(,马克,.,吐温怎样成为一位伟大的作家,).,how,Mark Twain became a great writer,20,report,get the highest points,match,It is reported that Yao Ming got the highest points in the match.,Make a sentence,30,Correct or not?,Pay attention:,注意,虚拟语气,在名词性从句中的使用！在,It is necessary important natural.that,句型中，从句的谓语要用,should+do,的形式,It is important that we,should,finish.,*It is important that we will finish the work on time.,10,Correct or not?,Pay attention:,此主语从句,缺少成分,-,宾语，故用作成分的,what,来引导，而不用,that,。,What,she wants to know is.,*,That she wants to know is when the party will be held.,10,Correct or not?,Pay attention:,由,that,引导的主语从句放在句首，,that,不能省略,。,That,he will give up,*,He will give up his job surprises all of us.,10,Translate the sentence,*_,（她是否出席会议）,is not certain.,Whether,she will attend the meeting,20,It makes the teacher angry that the child doesnt know the answer.,teacher angry,Dont know the answer,Make a sentence,30,