Unit 4 It的用法及强调句型.ppt

《Unit 4 It的用法及强调句型.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit4GlobalwarmingLearningaboutlanguage选修六GrammarIt的用法及强调句型由it引导的强调句结构：Itis(was)+被强调部分+that(who)+句子其他部分注意:此结构强调的成分仅限于主语,宾语和状语。如：原句:Myfatherdidtheexperimentinthelabyesterdayevening．强调主语:Itwasmyfatherwho/thatdidtheexperimentinthelabyesterdayevening．强调宾语:Itwastheexperi

2、mentthatmyfatherdidinthelabyesterdayevening．强调时间:Itwasyesterdayeveningthatmyfatherdidtheexperimentinthelab．强调地点:Itwasinthelabthatmyfatherdidtheexperimentyesterdayevening．e.g.Itwasinthatcitythatwemetforthefirsttime．ItwasnotuntilhetoldmethatIknewthetruth．1.强调句的一般疑问句句型

3、：Is/Was+it+所强调的部分+that/who/whom+其余部分?WasitTomthat/whoIsawyesterdayhere?Wasitateighto’clockthatyoubegantowork?注意：2.强调句的特殊疑问句句型：疑问词+所强调的部分+that/who+其余部分?Wherewasitthatyoupickedupthewallet?Whywasitthathecouldn’tanswerthequestion?3.名词性从句(宾语/表语从句)强调句的基本结构:疑问词(强调部分)+itist

4、hat+其它成分?Ijustwonderwhatitisthatmakeshimexcited.Heisunwillingtotellmewhomakeshimangry.Heisunwillingtotellmewhoitisthatmadehimangry.4.判断是否是强调句,可把Itis/was…that去掉,剩余部分如果是一个完整的句子,就是强调句。ItwasinthestreetthatImetherfather.→InthestreetImetherfather.Itwasbecauseshewasillthat

5、theydidn’taskhertodothejob.→Becauseshewasill,theydidn’taskhertodothejob.1)Itwasin1945thatWorldWarIIended.(强调句)2)Itwas1945whenWorldWarIIended.(定语从句)3)ItwasalongtimesinceImetyoulast.(时间状语从句)5.若原句是not…until句型,在强调until部分时,要把否定形式放入被强调部分。如:Hedidn’tleaveuntillreturned.=Itw

6、asnotuntilIreturnedthatheleft.Ididn’trealizeshewasafamousfilmstaruntilshetookoffherdarkglasses.→NotuntilshetookoffherdarkglassesdidIrealizeshewasafamousfilmstar.→ItwasnotuntilshetookoffherdarkglassesthatIrealizedshewasafamousfilmstar.典型例题分析：1)Itwaslastnight____Isawt

7、hefilmStarWars．A.whoB.whenC.thatD.which答案C强调句的结构是:It+be+强调部分+that(who)+主谓句。强调句的连词只有两个,that和who。当强调的部分是人,且为句子的主语时,才用who,其余用that。2)Itistenyears____MissGreenreturnedtoCanada.A.thatB.whenC.sinceD.as答案C考点是连词用法。本题易误选为A其实本句不是强调句。若是去掉Itbe…that还应是一个完整的句子。而本句去掉‘Itis…that,只剩下t

8、enyearsMissGreenreturnedtoCanada不成句。因此本句不是强调句。Itis+时间+since...,其中is=hasbeen.1.It wasn’t until nearly a month later______ I received the ma