专题9名词性从句(一)及写信课件.ppt

1、12专题九专题九名词性从句名词性从句(一一)及写信及写信 34【例例】改错改错1.He will come back surprises all of us._2.That he really means is that he doesnt agree with us._3.The reason why he failed in the exam was because he was too careless._4.It is unknown that where we will have the meeting._5.I have been worrying about if I have

2、hurt her feelings._5【答案及解析答案及解析】1.在句首加That。that引导名词性从句时，尽管无意义也不充当成分，但除了在动词后引导单个宾语从句时可省略外，其他情况不能省略。2.ThatWhat。that和what均可引导名词性从句，区别在于：what在名词性从句中作主语、宾语或表语，而that在名词性从句中不作任何成分，只起连接作用。误句的主语从句应该用what作means的宾语，表语从句中应该用that，that在从句中不作任何成分。6【答案及解析答案及解析】3.becausethat。主语为reason时，引导表语从句的关联词一般用that，不用because，构成

3、The reason why/for which/that/foris that句型。because引导名词性从句只用于It/This/That is because结构。4.去掉that。名词性从句一般只能用一个引导词，连接词that与连接副词不可并用。5.if改为whether。if和whether引导动词后的宾语从句时可互换。但介词后的宾语从句及主语从句、表语从句、同位语从句只能用whether引导。78定义：定义：若从句在句子中起名词的作用，则被称之为名词性从句。按其句法功能分为四大类：主语从句，表语从句，宾语从句和同位语从句。9 一、名词性从句的引导词一、名词性从句的引导词10Wha

4、t I want to know is this.The trouble is that he is ill.I have no idea when he comes back.The question is whether he is right for that position.11二、二、that 引导的名词性从句引导的名词性从句1that引导名词性从句在从句中不作成分，本身无词义，只起连接作用。2只有在that引导的宾语从句中可省略that，但若动词后有多个that引导的宾语从句时，第一个可省略，其余的不能省；that如果在其引导的从句中作介词宾语则不能省略。12三、三、if/whe

5、ther 引导的名词性从句引导的名词性从句1在主语从句、表语从句和同位语从句中，通常用whether而不用if。Whether he will come is still a question.There is some doubt whether he will come.2在宾语从句中whether 和if 一般可互换，但下列情况whether不可用if替换：直接与or not连用时；用于介词和discuss 之后时。I dont know whether or not he will win.We discussed whether we should close the shop.13

6、14用适当的连接词填空用适当的连接词填空1.Sarah wants to know _ she has passed the exam or not.2._ you said just now has really hurt my feelings.3.The news _ a storm was coming shocked everyone in the village.15答案：答案：1.whether 2.What 3.that164.It is hoped _ the problem of air pollution will be solved in the future.5.I

7、think its going to be a big problem.Yes,it could be.I wonder _ we can do about it.17答案：答案：4.that 5.what186._ he lost his sight because of an accident is unknown.7.I dont know the reason _ you were absent from the meeting,but I am sure that someone will tell me the reason _ you havent told me.8.After

8、 ten years,she changed a lot and looked different from _ she used to be.19答案：答案：6.Whether 7.why;that 8.what2021 假设你是李杰，正通过Email和美国友好姐妹校的朋友 Tom 交流校纪班规，请你用英语向他介绍下面的“班级公约”(class rules)。Class rules：e to school on time in school uniforms2.greet our teachers when we meet them3.listen carefully in class an

9、d be active in thinking4.do our homework carefully and hand it in on time225.clean the classroom often and always keep it clean6.turn off lights and close windows and doors before we leave7.be friendly要求：1内容完整，书写清楚，表达通顺，书写规范；2请勿逐词翻译，词数100左右，不包含已给出的句子的词数。23Dear Tom，Id like to introduce my class rules

10、 made by us all.First,we should _ Its our duty to follow all the rules above.What about yours?Please write soon.Yours，Li Jie 24【参考答案参考答案】One possible version：Dear Tom，Id like to introduce my class rules made by us all.First,we should come to school on time in school uniforms.Its polite to greet our

11、teachers when we meet them.Second,we must listen carefully in class and be active in thinking.Also,we ought to do our homework carefully and hand it in on time.Third,we need clean the classroom often and always keep it clean.25And were required to turn off lights and close windows and doors before we leave.Fourth,being friendly is important.Were supposed to get along well and help each other to make progress together.Its our duty to follow all the rules above.What about yours?Please write soon.Yours，Li Jie26