Unit2WitnessingtimeGrammarTeachingaimsanddemands:Toteachparticipleclauses.Difficultandkeypoints:ParticipleclausesTeachingaids:Multi-mediaTeachingsteps:1.Showsomepictureswithparticipleclauses.2.Askstudentstoreadtheguidelinesandpart1onpage24thataparticipleclausecanbeusedasanattributive.Anadverbialoracomplement.3.Someexamples:①________fromothercontinentsformillionsofyears,Australiahasmanyplantsandanimalsnotfoundinanyothercountryintheworld.(2005湖北)A.BeingseparatedB.HavingseparatedC.HavingbeenseparatedD.Tobeseparated②__inthemountainsforaweek,thetwostudentswerefinallysavedbythelocalpolice(2005年江苏卷)A.HavinglostB.LosC.BeinglostD.Losing③Themomentthe28thOlympicGames_______open,thewholeworldcheered.A.declaredB.havebeendeclaredC.havedeclaredD.weredeclared④Havingatripabroadiscertainlygoodfortheoldcouple,butitremains___whethertheywillenjoyit.(2005年福建卷)A.toseeB.tobeseenC.seeingD.seen(NMET2002)⑤Ireallycan'tunderstand______herlikethat.(2005年安徽卷)A.youtreatB.youtotreatC.whytreatD.youtreating⑥(2006年上海卷)______automaticallythee-ailwillbereceivedbyalltheclubmembers.A.MailedoutB.MailingoutC.TobemailedoutD.Havingmailedout⑦_______withsomuchtrouble,wefailedtocompletethetaskontime.(2006年四川卷)A.FacedB.FaceC.FacingD.Toface4.AskstudentstoreadPart2andtheexamplesentences.Thesubjectoftheparticipleclauseisthesameasthesubjectofthesentenceinmostcases.Tellstudentsthatinothercases,theparticipleclausemayhaveitsownsubject5.Askstudentstohaveadiscussion:Workinpairsanddiscusswhatweshouldpayattentiontowhenweuseparticipleclauses6.Consideration:分词专练Ⅰ1.Thegirl_____underthattreeismysister.A.sittingB.sitsC.issittingD.sat2.Therewasaterriblenoise_____thesuddenburstoflight.A.followedB.followingC.tobefollowedD.beingfollowed3.Doyouknowtheboy______underthebigtree?A.layB.lainC.layingD.lying4.Thesalesmanscoldedthegirlcaught_______andletheroffA.tohavetakenB.tobestealingC.tostealD.stealing5.Mostofthepeople_____tothepartywerefamousscientists.A.invitedB.toinviteC.beinginvitedD.inviting6.Mostoftheartists_____tothepartywerefromSouthAfrica.A.invitedB.toinviteC.beinginvitedD.hadbeeninvited7.Allthings____,theplannedtripwillhavetobecalledoff.A.consideredB.beconsideredC.consideringD.havingconsidered8.Thecomputercenter,______lastyear,isverypopularamongthestudentsinthisschool.A.openB.openingC.havingopenedD.opened9.Thefirsttextbooks_____forteachingEnglishasaforeignlanguagecameoutinthe16thcentury.A.havingwrittenB.writtenC.tobewrittenD.beingwritten10.TheOlympicGames,______in776B.C.,didnotincludewomenplayersuntil1912.A.firstplayingB.tobefirstplayedC.firstplayedD.tobefirstplaying11.---Letmeintroducemyself.I’mAlbert.---_______.A.WhatapleasureB.It’smypleasureC.I’mverypleasedD.Pleasedtomeetyou12.Cleaningwomeninbigcitiesusuallyget______bythehour.A.payB.payingC.paidD.topay13.Thisnewssounds________.A.encouragingB.encouragedC.encourageD.toencourage14.ThevisitingMinisterexpressedhissatisfactionwiththetalks,______thathehadenjoyedhisstayhere.A.havingaddedB.toaddC.addingD.added15.She’supstairs________letters.A.writesB.iswritingC.writeD.writing16.Thesecretaryworkedlateintothenight,______alongspeechforthepresident.A.toprepareB.preparingC.preparedD.waspreparing17.“Can’tyouread?”Marysaid______tothenotice.A.angrilypointingB.andpointangrilyC.angrilypointedD.andangrilypointing18.Europeanfootballisplayedin80countries,______itthemostpopularsportintheworld.A.makingB.makesC.madeD.tomake19._______anythingabouttheaccident,hewenttoworkasusual.A.NotknownB.KnownnotC.KnowingnotD.Notknowing20___theletter,hewentouttopostit.A.WritingB.BeingwrittenC.HavingwrittenD.Written6.Summaryandhomework1.Dotheexercisesintheworkbook2.MakesomesentencesusingParticipleclauses