主语从句讲解及练习.ppt

1、Grammar,Predicative and Subject Clauses,主语从句和表语从句是名词性从句中的两种。名词性从句还包括宾语从句和同位语从句，它的功能相当于名词。本模块重点学习主语从句和表语从句。,Why he did that wasnt quite clear. How this happened is not clear. Where she has gone is not known yet. When they will start is not known yet. Which team will win the match is still unknown. Wh

2、o will go makes no difference. What Im looking for is a real success. Whether she will come or not is still a question. That she was able to come made us very happy. Whoever breaks the law should be punished.,Why,How,Where,When,Which,Who,What,Whether,That,Whoever,1That he will come is certain. 2Whet

3、her it will please them is not easy to say. 3What seems easy to some people seems difficult to others. 4Which side will win is not clear. 5Why he did it remains a mystery. 6When they will start is not known yet. 7How he became a great scientist is known to us all. 8Who will take part in the meeting

4、has not been decided. 9Whoever breaks the law will be punished. 10Where she is from is unknown.,思考：主语从句有哪些引导词，这些引导词如何选用？,that, whether（不做成分，补可省略） who(ever), what(ever), which(ever), （做主，宾，表） when(ever), where(ever), how(ever), why（做状语）,注 意：,What we need are experienced teachers. What we need is food

5、.,1.“if” 不能引导主语从句，应有“whether”引导。,3.主语从句的 “that” 不能省。,4.“what”引导主语从句时，谓语动词： 1）常与其后的名词作表语一致 2）根据句子的语境而定。,主语从句需注意的问题,2.主语从句中用陈述语序,correction,Where does she comes from is unknown. What have you done made me unhappy. If he will be elected headmaster is not known yet. What he said are true.,Whether,You ha

6、ve,is,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.(_

7、 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:,1. _ you dont like him is none of my business. 2. _ he said at th

8、e meeting astonished everybody present 3. _ the 2000 Olympic Games will be held in Beijing is not known yet. 4. _ well go camping tomorrow depends on the weather. 5. _ leaves the room last ought to turn off the lights.,That,What,Whether,Whether,Whoever,选择恰当的连接词,以it作形式主语，把主语从句后置的常用句型有：,1. It+is+形容词+t

9、hat从句,It is/was certain that clause clear important necessary probable possible,主语从句,（1）It is certain that she will do well in her exam. （2）It is probable that he told me everything.,主语从句,2. It + is + 名词词组 + that从句,It is / was a pity that clause shame duty,(1) It is a pity that we cant go. (2) It is

10、 no surprise that our team should have won the game.,主语从句,3. It + is + 过去分词 + that从句,It is said that clause reported thought hoped believed known,主语从句,(1) It is said that he is the best student in the class. (2) It is thought that Joe drives badly.,主语从句,4. It + seems, appears+ that从句。 (1) It seems t

11、hat Alice is not coming to the party at all. (2) It happened that I was out that day.,主语从句,My belief is that hes got a health problem. The reason why he didnt come was that he was ill. My problem is whether we can accomplish it in time. He looked as if he was going to cry. The question is who can co

12、mplete the difficult task. Thats just what we expected. The problem is how we can find such stuff.,that, whether, as if（不做成分，补可省略） who(ever), what(ever), which(ever), （做主，宾，表） when(ever), where(ever), how(ever), why（做状语）,名词性从句如何确定连词？ “缺什么补什么” 。如果句子中缺主语，指人用who，指物用what；如缺宾语，指人用whom，指物用what；如缺时间状语用when

13、；地点状语用where；原因状语用why；方式状语用how；定语用what或which；什么都不缺用that、whether。 Where he will go is unknown. What you said yesterday is right. That he knows Japanese is known to all. Whether he is coming doesnt matter much.,1. _ he is living now is not known to anybody. A. When B. If C. Whether D. What 2. _ the sci

14、entist who gave us a talk will go abroad. A. It said that B. It says when C. It is said that D. He is said,Exercises,3. _ I cant understand is _ he changed his mind. A. That; that B. What; why C. Which; how D. That; why 4. _ is well known _ much progress has been made in China in the past twenty yea

15、rs. A. What ; what B. It ; that C. It ; what D. That ; that,Exercises,高考链接,5. _ matters most in learning English is enough practice. (2007全国II) A. What B. Why C. Where D. Which,6. _ he referred to in his article was unknown to the general reader. (2007上海) A. That B. What C. Whether D. Where,7. The t

16、raditional view is _ we sleep because our brain is “programmed” to make us do so. (2007上海) A. when B. why C. whether D. that,高考链接,8. It has been proved _ eating vegetables in childhood helps to protect you against serious illness in later life. (上海卷) A. if B. because C. when D. that,高考链接,9. It worri

17、ed her a bit _ her hair was turning grey. A. while B. that C. if D. for 10. _ is a fact that English is being accepted as an international language. A. There B. This C. That D. It 3. _ he was late yesterday wasnt quite clear. A. How B. When C. What D. Why,Grammar 2 2. Exercises ( 5m) 历年高考题,11. _we c

18、ant get seems better than _ we have. A. What; what B. What; that C. That; that D. That; what 12. _ you dont like him is none of my business. A. What B. Who C. That D. Whether,13. _ you have done might do harm to other people. A. That B. What C. Whether D. How,14_ he made an important speech at the meeting was true. A. That B. Why C. What D