【课件】Unit+5Discover+useful+structures+课件人教版（2019）选择性必修第一册.pptx

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1、名词性从句名词性从句之之主语从句主语从句Related Conception(相关概念相关概念)1.名词名词:表示人或事物的名称的词叫名词。表示人或事物的名称的词叫名词。2.名词在句子当中一般可以作什么名词在句子当中一般可以作什么成分成分?名词名词在句中主要在句中主要作主语作主语、宾语宾语、表语表语和和同位语同位语。The boy is Li Ming.主语主语表语表语Mr.Liang,a 24-year-old boy,teaches us English.主语主语同位语同位语宾语宾语在英语的句子结构中，本来该由名词充当的主语、宾在英语的句子结构中，本来该由名词充当的主语、宾语、表语和同位语

2、，语、表语和同位语，由一个句子来充当由一个句子来充当,这个句子就叫这个句子就叫名词性从句。名词性从句。什么什么是名词性从句是名词性从句?名名词词性性从从句句主语从句主语从句(The Subject Clause)宾语从句宾语从句 (The Object Clause)表语从句表语从句 (The Predicative Clause)同位语从句同位语从句 (The Appositive Clause)请判断出下列的句子属于哪种从句请判断出下列的句子属于哪种从句What I want to do is watch a film.I dont think that he is an honest b

3、oy.The fact is that he stole the car.Do you know the fact that he stole the car?It is said that they won the game.(主从主从)(宾从宾从)(表从表从)(同位语从句同位语从句)(主从主从)请找出句中的主语请找出句中的主语This hasnt been decided.His words made us excited.hasnt been decided.When we hold the meetingWhen we will hold the meeting位置：放在位置：放在_、

4、_之前，之前，以一个句子的形式来充当以一个句子的形式来充当_句首句首谓语谓语主语主语主主语语从从句句What he saidmade us excited.What he said主语从句主语从句Conjunctions of Subject ClauseConjunctions of Subject Clause(引导主语从句的连接词引导主语从句的连接词):从属连词从属连词(不作成分）不作成分）连接代词连接代词（作成分）（作成分）连接副词连接副词（作状语）（作状语）what,who,whom,whose,which,wh+everthat,whether/ifwhen,where,how,w

5、hywhenever,wherever,howeverThat a new teacher will come to our school is true.Whether he will come or not does not matter.What he said at the meeting made us angry.Who will go to the concert is not known.Which part of the country he will travel to needs discussing.Whose watch was lost isnt clear.Who

6、ever breaks the law should be punished.Whichever one you choose has nothing to do with me.When we will have a meeting is an important question.Where I spend my summer vacation is no business of yours.How we understand things has a lot to do with what we feel.Why John was late for the class has been

7、unexplained.1._ a new teacher will come to our school is true.2._ he will come or not does not matter.3._ he said at the meeting made us angry.4._ will go to the concert is not known.5._ part of the country he will travel to needs discussing.6._ watch was lost isnt clear.7._ breaks the law should be

8、 punished.8._ one you choose has nothing to do with me.9._ we will have a meeting is an important question.10._ I spend my summer vacation is no business of yours.11._ we understand things has a lot to do with what we feel.12._ John was late for the class has been unexplained.主语主语从句的连接词的选定方法从句的连接词的选

9、定方法分析从句句子成分，看缺不缺成分，再看句意分析从句句子成分，看缺不缺成分，再看句意1)不不缺成分缺成分 that 引导的主语从句引导的主语从句,本身无含义本身无含义,但不能但不能省略；省略；whether 引导的主语从句意为引导的主语从句意为:“是否是否”.不能用不能用 if 替代替代.2)若缺主语，宾语，定语或表语，则使用连接代词若缺主语，宾语，定语或表语，则使用连接代词what,which,who,whom,whose,wh-ever在从句中充当在从句中充当“主语主语,宾语宾语,定语或表语定语或表语,有词义有词义.3)若缺状语且句意不完整若缺状语且句意不完整when,where,how

10、,why,wh-ever/however 在主语从句中可充当在主语从句中可充当时间时间,地点地点,方式方式,原因状语原因状语.练习Word 小题探寻规律探寻规律1 1：主语从句主语从句 主谓一致问题主谓一致问题1.Whether life exists on other planets _ not clear.2.When and where our sports meeting will be held _ unknown.3.When the task can be finished and whether he can have a rest _ unknown.4.What he wa

11、nts most _ staying with his family.What they need _ masks(口罩口罩).主句的谓语动词，大多数使用主句的谓语动词，大多数使用_ (单数？复数？单数？复数？)由两个连接词引导同一个主从，谓动使用由两个连接词引导同一个主从，谓动使用_(单数？复数？单数？复数？)主语为主语为and连接的两个主从时，谓动使用连接的两个主从时，谓动使用_(单数？复数？单数？复数？)what在主从中做宾语时，谓动由在主从中做宾语时，谓动由_决定单复数决定单复数 单数单数单数单数复数复数表语表语isisareis are主语从句应使用主语从句应使用_语序语序。1.Wh

12、ere we will have a picnic should be discussed.Where will we have a picnic should be discussed.2.How we go for a picnic should be discussed.How do we go for a picnic should be discussed.Rule 3陈述句陈述句探寻规律探寻规律2 2：主语从句的语序主语从句的语序That all countries work together is important.探寻规律探寻规律3 3：主语从句太长怎么办？主语从句太长怎么办

13、？用一个用一个 It 来解决问题！来解决问题！It is important that all countries work together.Itbe形容词/名词短语/过去分词/不及物动词 that从句It is certain that the medicine will not bring about side effect,because thousand of patients have taken it.形容词(necessary/likely/important/certain等名词(短语)(a pity/a shame/no wonder等)It is a pity that

14、you missed such a good chance.Its said that he has gone to Shanghai.过去分词(said/told/reported等)It appears that he is worrying about something.不及物动词(seem,appear,happen,matter等)定 义主语主语从句从句引导词形式主语主谓一致A mind map of subject clause 作用，位置作用，位置作用，位置作用，位置 从属连词，连接代词，连从属连词，连接代词，连从属连词，连接代词，连从属连词，连接代词，连接副词接副词接副词接副词 单个主语从句-单数多个主语从句-复数 Itbe形容词/名词短语/过去分词/不及物动词 that从句语序 陈述语序