周卓玲高中语法主语从句.ppt

1、,Subject Clause,Grammar:,Noun Clauses (名词性从句),Object Clause （宾语从句）,Appositive Clause （同位语从句）,Predicative Clause （表语从句）,Subject Clause (主语从句),Unit 4 Astronomy: the science of the stars,Subject Clause 主语从句,Find out the subject(主语) in each sentence.,3. To find a good job is my dream.,2. Smoking is bad

2、for you.,1. A book is on the desk,4 You are a student.,5. That we will be late is certain.,6. It is certain that we shall be late.,A sentence served as(充当) subject is called Subject Clause.,noun名词,verbal noun代词,infinitive不定式,pronoun代词,【例句呈现】 观察下列例句，指出其中所包含的主语从句及连接词: 1. What is needed for a long trip

3、 is careful preparation. 该句中主语从句是 _，连接词为 _。,What is needed for a,what,long trip,2. That Taylor Swift will come to my city excites everybody. 该句中主语从句是 _ _，连接词为_。 3. Whether we will travel abroad or not has not been decided. 该句中主语从句是 _ _，连接词为_。,That Taylor Swift will,Whether we will,come to my city,th

4、at,travel abroad or not,whether,Subject Clause,主语从句是在复合句中充当主语的句子，起到主语的 作用。,陈述语序 indicative order,Conjunctions（连接词）,what, who, whom, which，whose,whatever,whoever.,that _ whether/if _,when, where, how, why.,充当从句的_,充当从句的_, _,_, 定语.,_充当从句的任何成分,主语,宾语,表语,状语,不,是否,无词义,That Lady Gaga will come to our city ne

5、xt Monday is certain. 该句中主语从句是_ 连接词为_。,That Lady Gaga will come,that,总结:当一个句子主语过长时，用it作形式主语(formed subject)，而把真正的主语或主语从句后放句尾，避免 “头重脚轻”。,Formed Subject(形式主语),Real subject,to our city next Monday,= It is certain that Lady Gaga will come to our city next Monday .,所以就构成了下面3种常用句型: 1) It is + n. +主语从句 如:

6、It is a pity that. 遗憾的是 It is a surprise that 令人惊奇的是 It is a fact that 事实是 It is a question that. 问题是. 1. _(很遗憾)we lost the match. 2. _(这是事实)he cheated in the exam.,It is a pity that,It is a fact that,2) It is + adj. +主语从句 如：It is clear/certain that 很清楚/很肯定 It is possible that. 很可能 It is obvious tha

7、t 很明显 It is important that 重要的是. 1. _(很可能)she will come back tomorrow. 2._(很明显)this measure is effective.,It is possible that,It is obvious that,3) It + be +过去分词+主语从句 如：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 1._(据报道)20 people were kille

8、d in the accident. 2 _(人们相信)we should eat more vegetable and do more exercise.,It is reported that,It is believed that,【Pay attention to that, whether/if,what, 】 1. that 在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。 2. whether/if 是否 在主语句中不做成分，不能省略，放句首只能用whether, 不能用if. 3.what引导的主语从句除了起到引导从句的作用外，还要承担具体的意义

9、，what还会作句子成分。,Complete the sentences by using what, whether/if, or that.,1.(_ is needed for success) is your hard work.,2.( we will go tomorrow )hasnt been decided yet.,What,Whether,3.(_ he can write the composition in such a short time) surprises us all.,That,Conclusion:,单个主语从句作主语时，谓语动词一般用单数形式。,Cor

10、rect mistakes:,You need to correct the following sentences. There is only one mistake in each sentence .,1. She is a famous writer is known to all.,That,Pay attention:that虽无词义但引导主语从句位于句首时不能省略。,Correct mistakes:,2. That the professor said is of great importance.,What,Pay attention:此主语从句缺少成分-宾语，故用作成分的

11、what来引导，而不用that。 what承担具体的意义和作句子成分。,Correct mistakes:,3. If shes coming or not doesnt matter much.,Whether,Pay attention: whether/if 是否 在句中不做成分，不可以省略，放在主语从句的句首只能用whether, 不能用if.,The group that gives the right answer within the shortest time shall gain one point. The winner is the group that has the

12、highest points.,Group Competition (小组竞赛),Group Competition,1. 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,report , it, get the highest points(分数), is, that, in the NBA , Yao Ming It is reported that Yao Ming got the highest points in the NBA.,2

13、. Make a sentence：,3. Translate the sentence：,_（她是否将参加会议）is not certain.,Whether she will attend the meeting,Group Competition,talk about,the mobile phone,What they are talking about is the mobile phone.,4. Make a sentence:,what,they,is,are,Group Competition,5. 用whether还是 what 填空,_ we shall attend t

14、he meeting hasnt been decided yet.,Whether,6.用动词的适当形式填空,Pay attention:当主语从句作主语时，谓语动词一般用单数形式。,is,What he said _(be) not true.,Group Competition,F,7.True or False?,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.,Group Competition,the cat did,made,What the cat did made the baby cry.,What,cry,8. Make a sentence:,the baby,The winner of the group competition is ?,用that / whether / if/ who /what/which /whatever/ where