《表语主语从句》PPT课件

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1、外研版选修7GrammarModule2HighlightsofMySeniorYearThepromwasveryattractive.Theboystandingoverthereismyclassmate.Mybeliefisthathe’sgotahealthproblem.表语从句：在句子中作表语，一般放在系动词后面，常用结构是主语＋系动词＋表从。常见的连系动词有：be,look,remain,become,turn,get,go,seem,feel,smell,taste,…Grammar1–1.O

2、bservationTakealookatthesesentences.由从属连词that，whether引导Thequestioniswhetheryoushouldaskthemforhelp.问题是你是否需要向他们求助。ThetroubleisthatIhaveneverdonetheworkbefore.麻烦的是以前我从没做过这个工作。由连接代词what，who，which引导Beijingisnotwhatitusedtobe.北京不再是过去的北京了。Whatshewantstoknowiswhich

3、dresssheshouldbuy.她想知道的是应该买哪件衣服。由连接副词when，where，how，why引导ThatiswhereLaoSheusedtolive.这就是老舍过去生活的地方。ThatiswhyIdidn'tpasstheexam.这就是为什么我没通过考试的原因。表语从句的虚拟语气在表示建议、劝告、命令含义的名词作主句的主语时，表语从句的谓语动词需用“should＋动词原形”表示，should可省略。常见的词有：advice，suggestion，order，proposal，plan，id

4、ea，request，requirement等。Mysuggestionisthatwe(should)startearlytomorrow.我的建议是明天早出发。because，why引导的表语从句That'sbecausehedidn'tunderstandme.(That'sbecause...强调原因)That'swhyhegotangrywithme.(That'swhy...强调结果)应注意的问题①表语从句还可以由asif，asthough引导。Helooksasifhewereangry.他看上去

5、好像很生气。②名词reason作主语时，后面的表语从句表示原因时要用that引导，不宜用because。ThereasonwhyIwassadwasthathedidn'tunderstandme.我伤心的原因是他不理解我。③连词that引导表语从句时，不能省略，尤其是从句较长或结构较复杂时。应注意的问题Theproblemwithlookingintospacefromtheearthisthatthereislotsofdustintheearth'sair.从地球看太空的问题是空气中有很多灰尘。④引导表语

6、从句只能用whether，不能用if。Thequestionisiftheenemyismarchingtowardsus.(×)Thequestioniswhethertheenemyismarchingtowardsus.(√)⑤表语从句一定要用陈述语序Thequestioniswhencanhearriveatthehotel.(×)Thequestioniswhenhecanarriveatthehotel.(√)⑥不像宾语从句，在有表语从句的复合句中，主句时态和从句时态可以不一致。Thequestio

7、niswhowilltravelwithmetoBeijingtomorrow.(√)Thequestioniswhyhecriedyesterday.(√)事实是他们有着不同的观点。Thefactis______________________________________.问题是她明天是否会来。Thequestionis__________________________________.那就是他们如此忽忙离开的原因。That’s______________________________________

8、___.问题是我们应该去哪里。Theproblemis__________________________________.问题是我们怎么样才能与他取得联系。Thequestionis__________________________________.whethershewillbebacktomorrowwhytheyleftinsuchahurrywhereweshouldgoh