表语从句ppt课件.ppt

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1、GrammarNounclausesastheobjectandpredicative名词性从句宾语表语Unit3TheMillionPoundBankNote1一、表语从句的定义：表语从句放在连系动词之后，充当复合句中的表语。Thequestioniswhowilldoit.系动词表语从句2二、表语从句的构成：（系动词）+引导词+简单句WhatIwanttosayisthatIamtired.引导词表语从句3Mydecisionisthatallofusshouldgothere.TheproblemisthatwehavenomoneyThisiswhereourproblem

2、liesTomorrowiswhenitwouldbethemostconvenient.That`sbecausehedidnotstudyhardThatiswhyIhatestudyingtoday.ThereasonwhyIstudyhardisthatIwanttogotoakeyuniversity.Chinaisnolongerwhatsheusedtobe.Thequestionremainswhethertheywillbeabletohelpus.ItseemedasifIcouldn'tthinkoftherightword.4由从属连词that引导的表语从句

3、由连接代词Who,whom,whose,which,what和连接副词where,how,why,when,because引导的表语从句由从属连词whether引导的表语从句由从属连词asif/asthough引导的表语从句5表语从句系动词后面1.Thetruthisthathehasneverbeentothecountryside.2.ThequestioniswhetherwecanfinishtheexperimentbyFriday.3.Itlooksasifitweregoingtorain.实际情况是他从未去过农村that一般不省略表语从句只用whether问题在于我

4、们能否在明天下午之前完成这项实验.好象看上去要下雨似的.(其实不会)asif/asthough从句常表示不真实的情况Shetalkedasif/asthoughshehadbeentherebefore.她说话的口气好象以前去过那儿似的.6asif/asthough引导的表语从句中的虚拟语气asif/asthough引导的表语从句可用虚拟语气，常用的系动词有look，seem，taste，smell，sound等。Itseemsasthoughthemeetingwouldneverend.She feelsas ifHarrietwerea member of her own f

5、amily.Itseemedasiftheaccidenthadhappenedyesterday.(其实不是在昨天)(其实不是)(其实不是)7注意：在as if, as though 等引导表语从句中,表示与事实相一致时,要用陈述语气。如：It looks as if we’ll be late.看起来我们似乎要迟到了。This meat tastes as if it has already gone bad.这肉吃起来似乎已经坏了。精典名题When a pencil is partly in a glass of water, it looks as if it ______

6、_. (NMET 95)A.breaks B.has brokenC.were broken D.had been broken8引导词that在表“建议，劝说，命令”的名词advice，suggestion，order，proposal，request,plan，idea等后面的表语从句中，谓语动词用虚拟语气“should+动词原形Myopinionisthatit’sgettingbetterandbetter.Thefactwasthathedidn’treallytry.Mysuggestionisthatwe(should)tellhim.Mysuggestionisth

7、atwe(should)startearlytomorrow.9because，why引导的表语从句那是因为他不理解我。That'sbecausehedidn'tunderstandme.那就是他不理解我的原因。That'swhyhedidn’tunderstandme.填空:Thereasonwhywedidn'ttrusthimis______hehasoftenlied．reason做主语时，表语从句只能用that引导,不能用why引导。句型结构为：thatTh