主语从句 公开课 精品 图文幻灯片.ppt

1、主语从句,1,Her job is teaching.,What she does is teaching.,在句中充当主语的从句叫做主语从句。,定义,2,1That he will come is certain. 2Whether 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 wil

2、l start is not known yet. 7How he became a great scientist is known to us all. 8Who will take part in the meeting has not been decided. 9Whoever breaks the law will be punished. 10Where she is from is unknown.,连接词,that 无实际意义 只起连接作用,是否,连接词如何选用？,3,1.从句中什么成分都不缺，用 2.从句中需要表“是否”的词，用 3.其他，缺什么补什么,连接词的选用,tha

3、t,whether,如缺“哪一个”的意思，用,which,主语从句的连接词： 连接词 that , whether 连接代词 who(ever), whom(ever), which(ever), what(ever)等 连接副词 where ,when ,why ,how,4,That he will refuse this piece of advice is impossible.,It is impossible that he will refuse this piece of advice.,It作形式主语,it,5,It作形式主语的四种常用句型,It +be+名词+that从句

4、It +be+形容词+that从句 It +不及物动词+that从句 It +be+动词的过去分词+that从句,6,1) It is + n. +从句 It is a pity(遗憾)/ a fact/a surprise that *_(很遗憾)we lose the match. *_(这是事实)he cheated in the exam.,It is a pity that,It is a fact that,7,2) It is + adj. +从句 It is possible that. Its certain that *_(很可能)she will come back to

5、morrow.,It is possible that,8,3) It +不及物动词+从句 It happened that. 刚好;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 send the letter.,It happened that,It occurred to me that,9,4) It + be +过去分词+从句 It is said that. It is known to all that. It is reported t

6、hat. *_(据报道)20 people were killed in the accident.,It is reported that,10,主语从句的虚拟语气,表 “应该，惊讶、惋惜、遗憾”等意义 It is important /natural /necessary/strange that. 谓语形式为:(should) + V.原形 eg. 很奇怪，他竟没有来。 It is strange that_.,he should not come,11,表示“据建议、据要求、据命令” It+be+suggested/advised/ordered/requested/ commande

7、d/ insisted/required that 谓语形式为:(should) + V.原形 据命令，所有乘客必须接受搜查 It was ordered that all the passengers_.,(should) be searched,12,If he will come to the meeting is not certain. Whether he will come to the meeting is not certain. It is not certain if he will come to the meeting. It is not certain wheth

8、er he will come to the meeting.,看句子正误，并总结规律,Conclusion:,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.,主语从句的其他规则,13,When he will come are a puzzle(谜). When he will come is a puzzle.,看句子正误，并总结规律,Conclusion:,含主语从句的主句谓语动词多用 单数。,主语从句的其他规则,14,What you can see is a pig. What you can see are 2 pigs.,看句子正误，并总

9、结规律,Conclusion:,what 引导的主语从句，主句谓语动词单复数根据后面的意思而定,主语从句的其他规则,15,When will he come is a puzzle. When he will come is a puzzle.,看句子正误，并总结规律,Conclusion:,主语从句一律用陈述语序， 即主语在前，谓语在后。,主语从句的其他规则,16,that / whether / if/ /where / how / when /why / who /what/which/ etc.,Summary:,Subject Clause,2. whether/if,1.that,

10、3. it 4.谓语动词 5.语序,17,2. _ 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

11、more practice is quite obvious. A. What B. That C. When D. /,18,Pick up one number and finish the task in it, then you can get some points.,Game Time!,19,Correct or not?,*When the meeting will be held havent been known yet.,. be held hasnt been known yet.,10,20,the cat did,made,What the cat did made

12、 the baby cry.,What,cry,Make a sentence,30,21,_ we shall attend the meeting hasnt been decided yet.,用whetherif填空,Whether,10,22,Translate the sentence,*_(他们需要帮助)is quite clear.,That they need help,20,23,talk about,the use of cell phone,What they are talking about is the use of cell phone.,Make a sent

13、ence,30,24,* If we will have a meeting hasnt been decided yet.,Correct or not?,Whether we will. decided yet.,10,25,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,20,26,report , get the highest points, match It is reported that Yao Ming got the hi

14、ghest points in the match.,Make a sentence,30,27,Correct or not?,It is important that we should finish.,*It is important that we will finish the work on time.,10,28,Correct or not?,What she wants to know is.,*That she wants to know is when the party will be held .,10,29,Correct or not?,That he will

15、give up,*He will give up his job surprises all of us.,10,30,Translate the sentence,*_（她是否出席会议）is not certain.,Whether she will attend the meeting,20,31,It makes the teacher angry that the child doesnt know the answer.,teacher angry,Dont know the answer,Make a sentence,30,32,Listen to the music clip, and find out the subject clauses,what doesnt kill you makes you stronger 没能击垮你的让你愈加强壮 stand a little taller 站得更高 doesnt mean im lonely when im alone 孤身一人并不代表我孤单寂寞 what doesnt kill you makes a fighter 没能击垮你的造就一名勇士,put that thing on lighter 步履轻盈 doe