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1、WelcometomyclassGrammar过去分词作状语1.Whenourfutureschoolisseenfromthespace,ourfutureschoollookslikeaplate.Seenfromthespace,ourfutureschoollookslikeaplate.ourfutureschool1.时间状语Whenitisseenfromthehill,theparklooksverybeautiful.(When)Seenfromthehill，theparklooksverybeautiful.时间状语可在过去分词前加上连词when,while,u
2、ntil等。Don’tspeakuntilyouarespokento.Don’tspeakuntilspokento.3.IfIamgivenatimemachine,Iwillpayavisittothefuture.(If)Givenatimemachine,Iwillpayavisittothefuture.atimemachine2.条件状语Ifweweregivenmoretime,wecoulddoitmuchbetter.(If)Givenmoretime,wecoulddoitmuchbetter.Ifitisheatedtoahightemperature,wat
3、erwillchangeintovapor.(If)Heatedtoahightemperature,waterwillchangeintovapor.3.让步状语Thoughtheyhadbeenwarnedofthestorm,thefarmerswerestillworkinginthefields.(Though)Warnedofthestorm,thefarmerswerestillworkinginthefields.EvenifI’minvited,Iwon’ttakepartintheparty.(Evenif)Invited,Iwon’ttakepartinthep
4、arty.4.方式、伴随状语Theteacherenteredtheclassroom,andhewasfollowedbyagroupofstudents.Theteacherenteredtheclassroom,followedbyagroupofstudents.Theteacherstoodthereandwassurroundedbythestudents.Theteacherstoodthere,surroundedbythestudents.5.原因状语Becausetheboywasgreatlytouchedbyhisteacher’swords,hedidalo
5、tofthingstohelphisclassmates.Greatlytouchedbytheteacher’swords,hedidalotofthingstohelphisclassmates.Becausehewassurprisedatwhathappened,Tomdidn’tknowwhattodo.Surprisedatwhathappened,Tomdidn’tknowwhattodo.过去分词作状语summary过去分词在句子中可以作时间状语、原因状语、伴随状语、条件状语和让步状语等。注意：过去分词做时间状语，条件状语和让步状语时，可在过去分词前加上相应的连词wh
6、en,while,until,if,though等,但是在原因状语从句中，不可加because,so.1.Becauseshewasgivenadvicebythefamousdetective,theyoungladywasnolongerafraid.2.Becauseitwasdoneinahurry,hishomeworkwasfullofmistakes.3.Whenitisheated,icewillbechangedintowater.4.IfIamcomparedwithyou,westillhavealongwaytogo.5.Thehunterlefthishou
7、se,andhewasfollowedbyhisdog.Practice:ChangethefollowingclausesintoPastParticiples.1.Becauseshewasgivenadvicebythefamousdetective,theyoungladywasnolongerafraid.Let’schecktheanswerGivenadvicebythefamousdetective,theyoungladywasnolon
