人教必修unitNounclausesasthesubject

1、 Learning Aims Master the use of the subject clause Do some exercises Finish a short passage using the subject clause. His job is important. What he does is important. 主语从句的定义：主语从句的定义： 主语主语 在句中充当主语的从在句中充当主语的从 句叫做句叫做主语从句主语从句。 1.That he will come is certain. 2.Whether he will come is not clear. 3.What

2、 she said is not yet known. 4. Who will go has not been decided. 5. Which side will win is not clear. 6. Whatever I have is yours. 7. Whoever comes is welcome. 8. When they will set off is not decided. 10.Where she is from is unknown. 11.Why he did it remains a mystery. 12.How we will paint the hous

3、e has not been decided. Find the subject clauses in the following sentences, and think about what are the connectors (连接词连接词) 引导词引导词 连接代词：连接代词：What(ever), who(ever), which(ever), 连接副词：连接副词：when, where, why, how 不做成分的连接词：不做成分的连接词：that, whether, if Error correcting When will they set off is not decide

4、d. Where is she from is unknown. they will she is 主语从句的语序为主语从句的语序为_._. 陈述句语序陈述句语序 Conclusion1： 1. That he will come is certain. 2. Whether he will come is not clear. 3. It is not clear whether he will come. 1._不做成分，无意义，不能省略。不做成分，无意义，不能省略。 2.引导主语从句在引导主语从句在句首句首只能用只能用_,有有 it作作形式主语形式主语的的_或或_都可以都可以. If i

5、f that whether if Conclusion2： whether _the cat made the boy cry is true. That 他是不是我的孩子仍然是个问题。他是不是我的孩子仍然是个问题。 _remains a question. Whether he is my child 如果主语从句中如果主语从句中缺少缺少 主语主语, 宾语宾语, 表语表语或或定语定语, 用连用连 接代词接代词 “what (ever), who (ever), whom (ever) which (ever)”。 1. What she said is not yet known. 2.

6、Who will go has not been decided. 3. Which side will win is not clear 4. Whatever I have is yours. 5. Whoever comes is welcome. What Who Which Whatever Whoever 判断主语句中连接代词所做成分判断主语句中连接代词所做成分 Conclusion3： 宾语宾语 主语主语 定语定语 宾语宾语 主语主语 用连接代词填空用连接代词填空 _ we can learn from the film is love. What learn sth from

7、sb/sth _ 谁将会赢得一等奖谁将会赢得一等奖 is unknown. Who will win the first prize _ one attracts more people is uncertain. Which _impress us is their fantastic performance and talented skill. What _ breaks the law will be punished. Whoever Conclusion3 When they will set off is not decided. Where she is from is unk

8、nown. Why he cries is not clear. How we will paint the house has not been decided. 如缺如缺:时间状语时间状语用用_; 地点状语地点状语用用_； 原因状语原因状语用用_; 方式状语方式状语用用_； 主语从句的主语从句的谓语动词谓语动词多用多用_。 when where why how 单数第三人称形式单数第三人称形式 _/_/_ the plane will be found is still not clear. WhenWhere How Why the plane disappeared still _ (

9、remain) a mystery.remains What can you see on the screen ?What can you see on the screen ? What I can see on the screenWhat I can see on the screen is is _._. are are _ what 引导的主语从句，可根据引导的主语从句，可根据表语表语决定决定 主句动词主句动词的的单复数单复数形式。形式。 Conclusion4 a cake/a pig flowers 1.What he needs _ that book. 2. What he

10、 needs _ some books. isare That he will win the match is certain. It is certain that he will win the match. 一般来说主语从句都是放在一般来说主语从句都是放在 ,但有时但有时 为了使句子保持为了使句子保持 ,避免避免”头重脚轻头重脚轻”, 常用常用 作作 ，从而把主语从句放，从而把主语从句放 在在 句首句首 平衡平衡 it 形式主语形式主语 后面后面 conclusion5: Useful sentence structure: 1) It is + n. +从句从句 It is a pi

11、ty/shame that. 遗憾的是遗憾的是 It is a surprise that令人惊奇的是令人惊奇的是 It is a fact that 是事实是事实 It is common knowledge that 是常识是常识 *_(很遗憾很遗憾)we lost the match. *_(这是事实这是事实)he cheated in the exam. It is a pity that It is a fact that 2) It is + adj. +从句从句 Its certain that 肯定肯定 It is possible that. 很可能很可能 It is unl

12、ikely that. 不可能不可能 It is obvious that 很明显很明显 It is necessary/important/natural/. that *_(很可能很可能)she will come back tomorrow. *_(很明显很明显)this measure is effective. +(should) +do It is possible that It is obvious that 3) It +不及物动词不及物动词+从句从句 It happened that. 碰巧碰巧 It occurred to me that我突然想起我突然想起 *_(刚好刚

13、好)I came into the office at that time. *_(我突然想起我突然想起)I forget to send the letter. It happened that It occurred to me that 4) It + be +过去分词过去分词+从句从句 It is said that. 据说据说 It is known to all that. 众所周知众所周知 It is reported that. 据报道据报道 It is believed that.据信据信;人们相信人们相信 It is suggested that + (should）do.

14、 建议建议 *_(据报道据报道) Michelle Obama and her family have gone back to America. *_(建议建议)we should eat more vegetables and do more exercise. It is reported that It is suggested that we should wear rain shoes on rainy days. 我们雨天应该穿雨鞋（我们雨天应该穿雨鞋（rain shoes）是常识。）是常识。 It is common knowledge that _ It is importa

15、nt that we (should) have enough sleep. 我们有足够我们有足够 的睡眠很重的睡眠很重 要。要。 It is said that the hairstyle is popular. 据说这个发型据说这个发型 (hairstyle)很很 流行。流行。 1.用用 that / whether / if/ /where / how / when /why / who(ever)/what(ever)/which(ever)/ etc. 来连接主语从句来连接主语从句. Subject Clause 3.引导主语从句在引导主语从句在句首只能用句首只能用whether,有

16、有it 作形式主语的作形式主语的whether/if都可以都可以. 2.That 在主语从句中在主语从句中不能省略不能省略. 4.有时为了使句子有时为了使句子结构平衡结构平衡, 避免避免 “头重脚头重脚 轻轻”,常用常用 it 作形式主语作形式主语,而把从句放在后面而把从句放在后面. （4种句型种句型）。 5.主语从句作主语时，谓语动词一般用主语从句作主语时，谓语动词一般用单数单数 形式。形式。 summary： 1.It is by no means(一点也不一点也不)clear _ the president can do to end the strike. （2012课标课标 全国全国

17、I,24） 2.It doesnt matter _ you turn right or left at the crossingboth roads lead to the park.（2012山东，山东，23） 3.It suddenly occurred to him _ he had left his keys in the office. （2012江西，江西，28） 4. _ Barbara Jones offers to her fans is honesty and happiness.（2011北京，北京， 22） what whether What that whether

18、.or.是是.还是还是. 众所周知，英语已经变成了一种国际众所周知，英语已经变成了一种国际 性语言。性语言。 English is widely spoken in the world. Believe it or not, its spoken by more than four hundred million people. So, 我们学我们学 好英语很重要。好英语很重要。 However, 我们如何学好英语是一个问题。我们如何学好英语是一个问题。 The best way is to use it all the time . It doesnt matter _ we can rec

19、ite all those grammar rules. _ we need to do is try to understand and use the language. It is well known that English has become an international language. It is important How we can learn English well is a problem. whether What that we (should) learn English well. 众所周知众所周知，英语在生活中起，英语在生活中起很重要的很重要的 作

20、用作用。因此因此，我们如何学好英语我们如何学好英语很重要很重要。 首先，首先，背英语单词是背英语单词是很有必要的很有必要的。其次其次， 我们应该学习英语语法。我们应该学习英语语法。我们是否能记我们是否能记 住所有的语法规则住所有的语法规则没有关系没有关系。我们需要我们需要 做的做的是努力理解并使用它。是努力理解并使用它。另外另外，掌握掌握 好好英语口语也英语口语也是很重要的是很重要的。我们要做的我们要做的 是每天练习。是每天练习。总之总之，学习英语最好的方，学习英语最好的方 式就是每天使用它。式就是每天使用它。 It is well known that English plays an im

21、portant part in our daily life. Therefore, How we learn English well is important. Firstly, it is necessary that we should recite the new words. Secondly, we should learn English Grammar. It doesnt matter whether we can remember all the grammar rules. What we need to do is understand and try to make

22、 use of it. In addition, it is important that we have a good knowledge of Oral English as well. What we need to do is to practice every day. In a word, the best way to learn English well is to use it every day. Try to write a passage and describe a person whom you like. Please use as many Subject Cl

23、ause as possible. 1.That he will come is certain. 2.Whether he will come is not clear. 3.What she said is not yet known. 4. Who will go has not been decided. 5. Which side will win is not clear. 6. Whatever I have is yours. 7. Whoever comes is welcome. 8. When they will set off is not decided. 10.Wh

24、ere she is from is unknown. 11.Why he did it remains a mystery. 12.How we will paint the house has not been decided. Find the subject clauses in the following sentences, and think about what are the connectors (连接词连接词) 如果主语从句中如果主语从句中缺少缺少 主语主语, 宾语宾语, 表语表语或或定语定语, 用连用连 接代词接代词 “what (ever), who (ever),

25、whom (ever) which (ever)”。 1. What she said is not yet known. 2. Who will go has not been decided. 3. Which side will win is not clear 4. Whatever I have is yours. 5. Whoever comes is welcome. What Who Which Whatever Whoever 判断主语句中连接代词所做成分判断主语句中连接代词所做成分 Conclusion3： 宾语宾语 主语主语 定语定语 宾语宾语 主语主语 Why the plane disappeared still _ (remain) a mystery.remains What can you see on the screen ?What can you see on th