人教必修三-unit3名词性从句(共23张)课件.ppt--（课件中不含音视频）

1、Point out the function of each noun in the following sentences:1.The world loves nature.2.Knowledge is power.3.We Chinese are peace-loving.subjectobjectpredicativesubjectsubjectappositionpredicative 名词性从句名词性从句（Noun Clauses),顾名思顾名思义义,其用法相当于一个名词的用法其用法相当于一个名词的用法,在在句中可做主语、宾语、表语、同位语句中可做主语、宾语、表语、同位语,分别叫做分

2、别叫做主语从句主语从句(Subject Clause)、宾语从句宾语从句(Object Clause、表语从句表语从句(Predicative Clause)和和同位语从句同位语从句(Appositive Clause)。名词性从句名词性从句 名词性从句在功能上相当于名词。名词性从句在功能上相当于名词。主语主语 His job is important.What he does is important.表语表语This is his job.This is what he does every day.宾语宾语 I dont like his job.I dont like what he

3、does every day.同位语同位语 I dont know about the man,Mr.White.I dont know about the fact that he is Mr.White.Object Clauses 宾语从句宾语从句1.I know him.2.I know who he is.主语主语宾语宾语（简单句）（简单句）主语主语谓语谓语宾宾 语语 从从 句句连词连词动词，介词，形容词之后动词，介词，形容词之后（复合句）（复合句）谓语谓语宾语宾语概念：概念：在复合句中充当宾语的从句。在复合句中充当宾语的从句。句子结构：句子结构：主句主句+连词（引导词）连词（引导词

4、）+宾语从句宾语从句主句主句引导词引导词They are good doctors.He told us.“I dont like reading novels.”She says.She says that she doesnt like reading novels.Rule 1：当从句原来是陈述句时，变成当从句原来是陈述句时，变成名词性从句用名词性从句用that引导。引导。that在从句中在从句中不作任何成分，也没有任何具体意思，不作任何成分，也没有任何具体意思，因此常省略。因此常省略。He told us that they were good doctors.3.Does your

5、sister get up early?Do you know?4.Do animals have the same senses as humans?I often wonder.Do you know if/whether your sister gets up early?I often wonder if/whether animals have the same senses as humans.Rule 2：当从句原来是一般疑问句时，当从句原来是一般疑问句时，变成名词性从句用变成名词性从句用if或或whether引导，翻引导，翻译成译成“是否是否”，变成，变成陈述句语序陈述句语序。

6、5.When did he buy this new bike?Could you tell me?6.Who is our English teacher?He asked.He asked who was our English teacher.Could you tell me when he bought this new bike?Rule 3：当从句原来是特殊疑问句时，当从句原来是特殊疑问句时，变成名词性从句还用变成名词性从句还用原来的特殊疑问词原来的特殊疑问词来引导来引导,变成变成陈述语序陈述语序。宾语从句中的连接词宾语从句中的连接词that在以下三种情况下在以下三种情况下不能省

7、略：不能省略：Note:（1）当）当that 从句与另一名词性从句并列作从句与另一名词性从句并列作宾语时，第二个宾语时，第二个that不能省；不能省；（2）当）当that作介词宾语时，作介词宾语时，that不可省掉；不可省掉；（3）用）用it做形式宾语的宾语从句。做形式宾语的宾语从句。Everyone knew what happened and that she was worried.The reason lies in that she works harder than the others do.I think it necessary that you should read En

8、glish aloud.whether与与if的辨用的辨用I worry about whether I hurt her feelings.We havent decide whether to go there.He asked me whether or not I was coming.3.Im thinking about _we should go fishing.2.They asked me _ to go skating.1.I asked her _ she had a bike.4.I dont know _ or not he is well.if/whetherwhe

9、therwhetherwhetherConsolidation:时态时态改错：改错：1.He asked me whether I have ever been to the seaside.2.She said that she will go to the park with her friend.4.Could you tell me when will he arrive?5.You can begin to see why does English have such strange rules._ English has_he will_would3.My teacher told

10、 me that light traveled faster than sound._ travels_ hadPredicative Clauses 表语从句表语从句 表语从句是在复合句中作表语从句是在复合句中作表语表语的名的名词性从句词性从句,放在放在系动词系动词之后之后,一般结一般结构是构是“主语主语+系动词系动词+表语从句表语从句”。可以接表语从句的系动词有可以接表语从句的系动词有be,look,remain,seem等。等。表语从句的连接词主要有表语从句的连接词主要有that,whether,as if/though,because 及及wh-类的连接词。类的连接词。The fact

11、 is that our team has won the game.The question is whether we can rely on him.He looked as if he was going to cry.Thats because we were in need of money at that time.Thats why I was late.注注 意：意：1.that 引导表语从句时，不可省略；引导表语从句时，不可省略；2.表语从句中，表表语从句中，表“是否是否”时，只能用时，只能用 whether，if不能引导表语从句。不能引导表语从句。The fact is

12、that he doesnt really try hard.The question is whether the film is worth seeing.3.句子主语为句子主语为the reason时，通常构成句型：时，通常构成句型：The reason whyis that;/The reason for is that;意为：意为：的原因是的原因是.The reason why he asked for two days leave is that he had to take care of his sick son.4.because可引导表语从句，常用于结构：可引导表语从句，常用于结构：This/That is because,意为：这意为：这/那是因为那是因为That is because I was too busy then.5.当主语为当主语为advice，suggestion,proposal,demand,requirement,request,order,command 等表示等表示建议，命令建议，命令等意义等意义的名词时，表语从句的谓语要用的名词时，表语从句的谓语要用“(should)do”,表虚拟。表虚拟。His request is that we_ (stay)here for night.should stay