人教版高中英语必修三单元三Book3 Unit3语法： 表语从句(共15张PPT).ppt

1、The Predicative Clause表 语 从 句一、表语从句的定义The question is who will do it.如果句子的表语是由一个句子充当的，那么这个充当表语的句子就叫做表语从句。表语从句在复合句中作句子的表语。二、表语从句的构成主语+系动词+表语从句(引导词+陈述句)That is why she was late.1.be：am/is/are,was/were2.感官系动词：look,smell,taste,sound,feel3.变化：become,get,turn,grow,go4.持续：keep,stay连接词:that/whether/asif(if不

2、引导表语从句)连接代词:who/what/which连接副词:when/where/how/why/because三、表语从句的引导词四、注意用法1.在表语从句中,表“是否”时,只能用“whether”，不能用“if”。2.一般情况下，“that”不能省略。1.3.Itis/wasbecause(强调原因)Itis/waswhy(强调结果)4.Thereasonisbecause/why5.表语从句用陈述语序。that .例题1：Thequestionis_wewillhaveoursportsmeetnextweek.A.thatB.ifC.whenD.whetherD注意点1：if 不能引

3、导表语从句B注意点2：主句主语为reason,只能用that引导表语从句。例题2：Thereasonwhyhefailedis_hewastoocareless.A.becauseB.thatC.forD.becauseof注意点3：表语从句用陈述句语序。例题3：Theproblemis_totaketheplaceofJohn.A.whocanwegetB.whatwecangetC.whowecangetD.thatwecangetC五、表语从句的虚拟语气在表示建议、劝告、命令(advice,suggestion,order,plan)的名词后的表语从句，谓语动词用should+动词原形，

4、should可省略。My suggestion is that we(should)studyhard.六、名词主语+be+that引起的表语从句在这种句型中,常用表示事实,真理,看法,观点的名词(fact,truth,idea,opinion,view)作主语。The fact is that our team has won the game.1.Thats _ the Party called on us to do.A.why B.what C.how D.that 2.The reason is _ he is unable to operate the machine.A.beca

5、use B.why C.that D.Whether3.That is _ they separated.A.that B.what C.which D.where 4.Jane is no longer _ she was four years ago.A.what B.which C.that D.whenBCDAExercise5.Go and get your coat.Its _you left it.A.where B.there C.there where D.where there6.The reason why he hasnt come is _.A.because his

6、 mother is ill B.because of his mothers being ill C.that his mother is ill D.for his mother is ill7.That is _ we were late last time.A.that B.when C.why D.whatACC1:Thequestionis_问题是我们是否应该向他们寻求帮助.2:Myteachersadviceis_我的老师的建议是：我应该关注我的学习。whether we should ask them for help.that I should pay more attention to my study.一、表语从句的定义二、表语从句的构成三、表语从句的引导词三、注意用法五、表语从句的虚拟语气六、名词主语+be+that引起的表语从句总结