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1、Grammar过去分词作状语1过去分词作状语，一是表被动的动作，二是表动作已经完成。通常作如下几种状语：1.Whenitisseenfromthehill,theparklooksverybeautiful.Seenfromthehill1.时间状语,可在过去分词前加上连词when,while,until等.2.Don’tspeakuntilyouarespokento.Untilspokento22.原因状语1.Becausetheboywasgreatlytouchedbyhisteacher’swords,h
2、edidalotofthingstohelphisclassmates.Greatlytouchedbytheteacher’swords2.Ashewassurprisedatwhathappened,Tomdidn’tknowwhattodo.Surprisedatwhathappened33.条件状语1.Ifweweregivenmoretime,wecoulddoitmuchbetter.Givenmoretime2.Ifitisheatedtoahightemperature,waterwillchang
3、eintovapour.Heatedtoahightemperature44.让步状语1.Thoughtheyhadbeenwarnedofthestorm,thefarmerswerestillworkinginthefields.Thoughwarnedofthestorm2.EvenifI’minvited,Iwon’ttakepartintheparty.Evenifinvited55.方式、伴随状语1.Theteacherenteredtheclassroom,andhewasfollowedbyagro
4、upofstudents.Followedbyagroupofstudents2.Themanagerheldhisheadhigh,hewalkedintotheroom.Holdinghisheadhigh6注意：选择现在分词还是过去分词作状语，关键看主句的主语。如分词的动作是主句的主语发出，分词就选用现在分词，反之就用过去分词。例如：__________foralongtime,thebooklooksold.由于用了很长时间，这本书看上去很旧。__________thebook,Ifindituseful.
5、在使用的过程中，我发现这本书很有用。UsedUsing【例题】_______,liquidscanbechangedintogases.A.HeatingB.TobeheatedC.HeatedD.Heat答案C.本题要选分词作为状语。现在分词表主动，正在进行的；过去分词表被动的，已经完成的。对于液体来说是加热的受动者，是被动的，因而选C。它相当于一个状语从句Whenitisheated，…7连词+分词（短语）有时为使分词短语与主句关系更清楚，可在分词前加连词。连词有：when，while，ifthough，aft
6、er,before,as.但分词的主语和主句的主语必须为同一个。例如：Whilewaitingthere,hesawtwoprettygirlscomeoutofthebuilding.等在那儿时，他看见两个靓妹走出大楼。（waiting和saw的主语相同）8Exercises:1.____someofficials,Napoleoninspectedhisarmy.FollowedB.FollowedbyC.BeingfollowedD.havingbeenfollowed2.Therewasaterriblen
7、oise___thesuddenburstoflight.followedB.followingC.tobefollowedD.beingfollowedBB93.Thenextmorningshefoundtheman___inbed,dead.lyingB.lieC.layD.laying4.IcanhardlyimaginePeter___acrosstheAtlanticOceaninfivedays.sailB.sailingC.tosailD.tohavesailedAB101.___inthought
8、,healmostranintothecarinfrontofhim.A.LosingB.HavinglostC.LostD.Tolose配套练习动词-ing或过去分词作状语,其逻辑主语应是主句主语。112.If___thesametreatmentagain,he’ssuretogetwell.A.givingB.giveC.givenD.beinggiv
