Unit 5 Bridging Cultures Discover Useful Structures 课件-高中英语人教版(2019)选择性必修第二册.pptx





《Unit 5 Bridging Cultures Discover Useful Structures 课件-高中英语人教版(2019)选择性必修第二册.pptx》由会员分享,可在线阅读,更多相关《Unit 5 Bridging Cultures Discover Useful Structures 课件-高中英语人教版(2019)选择性必修第二册.pptx(46页珍藏版)》请在淘文阁 - 分享文档赚钱的网站上搜索。
1、名词性从句的分类:名词性从句的分类:1主语从句主语从句:在复合句中充当主语的在复合句中充当主语的从句从句2宾语从句宾语从句:在复合句中在复合句中作宾语作宾语的从的从句,句,位于及物动词、介词或形容词后位于及物动词、介词或形容词后。3同位语从句同位语从句:跟在一个抽象名词之跟在一个抽象名词之后后,对该名词的具体内容作进一步解对该名词的具体内容作进一步解释说明释说明。名词性从句的分类:名词性从句的分类:4表语从句表语从句:在复合句中在复合句中作表语作表语的从的从句叫表语从句,句叫表语从句,放在系动词之后放在系动词之后。练习练习:判断下列句子是什么:判断下列句子是什么从句从句?What was mo
2、st important to her,she told me,was her family.主语从句主语从句In recent years,there has been a heated argument about whether it is necessary for children to learn English from an early age.宾语从句宾语从句When the news came that the war broke out,he decided to serve in the army.同位语从句同位语从句I prefer shutting myself i
3、n and listening to music all day on Sundays.Thats where I dont agree.You should have a more active life.表语从句表语从句that引导的引导的名词性从句名词性从句 1that引导引导主语从句主语从句That you didnt know the rules wont be an excuse for your failure你不知道规则你不知道规则不能成为你失败的借口。不能成为你失败的借口。It is obvious to the students that they should get w
4、ell prepared for their future.显而易见学生显而易见学生应该对未来做好准备。应该对未来做好准备。It is decided that the meeting has been put off till next Monday.已经定下来了已经定下来了,会议推迟到了下周一。,会议推迟到了下周一。规律总结:规律总结:连词连词that在引导名词性从句在引导名词性从句时本身没有意义,在从句中不担任任何时本身没有意义,在从句中不担任任何句子成分,但句子成分,但引导主语从句、表语从句、引导主语从句、表语从句、同位语从句时不能省略。在宾语从句中同位语从句时不能省略。在宾语从句中有
5、时可省略有时可省略。(1)that引导主语从句位于句首时,引导主语从句位于句首时,that无意义,但是不可省略。无意义,但是不可省略。(2)that从句作主语时,常用从句作主语时,常用it作形式主作形式主语,常见的句型有:语,常见的句型有:Itbe形容词形容词(obvious,true,natural,surprising,good,wonderful,funny,possible,likely,certain,probable,etc.)that从句。从句。Itbe名词词组名词词组(no wonder,an honor,a good thing,a pity,no surprise,etc.
6、)that从句。从句。Itbe过去分词过去分词(said,reported,thought,expected,decided,announced,arranged,etc.)that从句。从句。2that引导引导宾宾语从句语从句Experts believe that people can waste less food by shopping only when it is necessary.(表语从句表语从句)我的决定是我们所有人明天我的决定是我们所有人明天早上早上6点出发。点出发。I made a promise to myself that this year,my first ye
7、ar in high school,would be different.(同位语从句同位语从句)我给自己做出承诺:今年,我给自己做出承诺:今年,我上高中的第一年,将会与以往不同。我上高中的第一年,将会与以往不同。规律总结:规律总结:(1)that引导表语从句时,一般不省略。引导表语从句时,一般不省略。(2)that引导同位语从句时,引导同位语从句时,应在某些抽应在某些抽象名词如象名词如fact,hope,desire,thought,suggestion,idea,news,problem,possibility等后,对前面的名词起补充等后,对前面的名词起补充说明的作用说明的作用,that只
8、起引导同位语从句只起引导同位语从句的作用,在从句中不充当任何成分,的作用,在从句中不充当任何成分,一一般不省略般不省略。whether/if(是否是否)引导引导名词性从句名词性从句 It doesnt matter whether you pay by cash or credit card in this store.(主语从句主语从句,不可用,不可用if代替代替whether)I didnt know whether/if he would attend the concert.(宾宾语从句语从句,可用,可用if代替代替whether)The question is whether it
9、is worth trying.(表表语从句语从句,不可用,不可用if代替代替whether)He must answer the question whether he agrees to it or not.(同位语从句同位语从句,不可用,不可用if代替代替whether)It depends on whether you can do the work well.(宾宾语从句语从句,不可用,不可用if代替代替whether)规律总结:规律总结:whether和和if在宾语从句中经常可以互在宾语从句中经常可以互换,换,但下列情况常用但下列情况常用whether,不用,不用if。1与与or
10、not连用时只能用连用时只能用whether2从句作介词宾语时只能用从句作介词宾语时只能用whether3在引导主语从句、表语从句和同位语在引导主语从句、表语从句和同位语从句时一般用从句时一般用whether,不用不用if。who,why,how,where,when等引导的等引导的名名词性从句词性从句 It makes no difference where we shall have the meeting.Scientists study how human brains work to make computers.Some students even have no idea of
11、why they are studying,so they waste much time playing.It hasnt been made clear when the new underground line is to be open to traffic.Im afraid hes more of a talker than a doer,which is why he never finishes anything.规律总结:规律总结:1特殊疑问词引导主语从句时,常用特殊疑问词引导主语从句时,常用it作形式主语。作形式主语。2能接特殊疑问词引导的宾语从句的动能接特殊疑问词引导的宾
12、语从句的动词很多,常见的有词很多,常见的有see,tell,ask,answer,know,decide,imagine,suggest,doubt,wonder,show,discuss,understand,inform,advise等。等。3以上疑问词可引导介词宾语从句。以上疑问词可引导介词宾语从句。4特殊疑问词还可引导表语从句和同位特殊疑问词还可引导表语从句和同位语从句。语从句。what,whever引导的引导的名词性从句名词性从句 What struck me most in the movie was the fathers deep love for his son.影片中最打动
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 高中英语精品资料 新高考英语精品专题 高中英语作文指导 高中英语课件 高中英语学案 高中英语模拟试卷 高考英语解题指导 高中英语精品练习

链接地址:https://www.taowenge.com/p-88301867.html
限制150内