GrammarandusageA:NounclausesintroducedbyquestionwordsB:Empty/PreparatorysubjectitNounClausesSubjectObjectPredicativeAppositiveClauses1.YouknowthatIamateacherofEnglish.2.ThatIamateacherofEnglishisknowntoyouall.3.ItisknowntoyouallthatIamateacherofEnglish.4.ThefactthatIamateacherofEnglishisknowntoyouall.5.Iamworriedaboutwhetheryoucandowellintheexam.6.WhatIamworriedaboutiswhetheryoucandowellintheexam.thatIamateacherofEnglishThatIamateacherofEnglishthatIamateacherofEnglishwhetheryoucandowellintheexam.OCSCSCPCACthatIamateacherofEnglishwhetheryoucandowellintheexam.OCFindtheclausesandtellthefunctionofthem:SCWhatIamworriedaboutConjunctionsofNounClauses:连接词连接代词连接副词what,whatever,who,whoever,whom,whose,whichthat,whether,if,asif(asthough)when,where,how,why状语主语、宾语NounClausesIntroducedbyQuestionWordsWhatwashedoing?Hisfatherwassurprised.subjectclause主语从句Whathewasdoingsurprisedhisfather.What’syourfirstimpressionofhim?Iwanttoknow.objectclause宾语从句Iwanttoknowwhatyourfirstimpressionofhimis.HowcanImakeagrammarlessoninteresting?Thatismyquestion.predicativeclause表语从句MyquestionishowIcanmakeagrammarlessoninteresting.HowdidPeterrespondtothatquestion?Ihavenoidea.appositiveclause同位语从句IhavenoideahowPeterrespondedtothatquestion.1.Wechangethewordorderinaclauseafteraquestionwordintothatofastatement.2.Wecannotleaveoutthequestionwordsinnounclausesinanycases.AttentionCheckwhetherthesentencesaretrueorfalse:他是怎么成功的仍然是个谜。Howwashesuccessfulisstillapuzzle.()Howhewassuccessfulisstillapuzzle.()你能告诉我她怎么啦?Couldyoutellmewhatwasthematterwithher.()Couldyoutellmewhatthematterwaswithher.()FTTF1.Ihavenoidea_________hecomesfrom.2.________hegotthemoneyisstilluncertain.3.Hegaveusmanysuggestions________weshouldgetupearlierandtakemoreexercise.4.Ihavenodoubt________hewillwin.5.Ihavesomedoubt________hewillwin.6.Thethingthattroublesmeis______toheadforEurope.Fillintheblanksusing“that/whether/where/how/when”whereHowthatthatwhetherwhen1.It’sabook.(指代)2.It’soverteno’clock.(时间)3.It’srainingoutside.(天气)4.It’salongwaytothemuseum.(距离)Reviewthefunctionof“it”1.Wecanuseitasanemptysubject.A.whenweuseanounclauseasthesubjectofasentence.a.(preferable)ItiscertainthatwewouldnotbeabletounderstandOldEnglishtoday.=(correct)ThatwewouldnotbeabletounderstandOldEnglishtodayiscertain.Emptysubject“it”:b.(preferable)ItiseasytoanswerwhetherEnglishwillcontinuechanginginthefuture.=(correct)WhetherEnglishwillcontinuechanginginthefutureiseasytoanswer.c.(preferable)Itdependsonthestyleofwritingwhenweusecertainwords.=(correct)Whenweusecertainwordsdependsonthestyleofwriting.a.(preferable)Itishardtomasteraforeignlanguage.=(correct)Tomasteraforeignlanguageishard.b.(preferable)Itisimportanttoknowhowtouseacomputer.=(correct)Toknowhowtouseacomputerisimportant.B.whenthesubjectisato-infinitive.C.whenthesubjectisav-ingform.a.(preferable)Smokingisdifficulttostop.=(correct)Itisdifficulttostopsmoking.b.(preferable)TravellingtoBeijingtakesupalotofmytime.=(correct)IttakesalotofmytimetravellingtoBeijing.Weusuallyusetheemptysubjectitwithaclauseorto-infinitive(preferable),butwiththev-ingformweprefertherealsubjectatthebeginning.Tip2.Itcanalsobeusedbeforeseem,appear,happen,chance,turnoutandproveastheemptysubjectofasentence.a.Itseemsthathespeakstwolanguages.=Heseemstospeaktwolanguages.b.Ithappensthatmynew...