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Unit1LivingWell动词不定式的作用FunctionsofInfinitive1.Seeingistobelieve.Toseeisbelieving.Seeingisbelieving.Toseeistobelieve.Ⅳ.作定语(常常表示将来的动作)4.如果不定式是不及物动词则后面需适当的介词Pleasepassmesomepapertowrite____.Shehasanicepentowrite_____.Heboughtaflatforthefamilytolive____.eg:Hespokeloudly(soas/inorder)tobeheard.3.结果状语:so+adj./adv.+astodo…such+adj.+n.+astodo…adj./adv.+enough+todotoo+adv./adj.+todoⅥ.作宾补但当以上的动词用于被动式to要还原:1.Theysawtheboyfallsuddenlyfromthetree.Theboywasseentofallsuddenlyfromthetree.动词不定式的时态和语态1.Iaskedhimtoattendthemeeting.Thequestionisverydifficulttoanswer.Theproblemisdifficulttodealwith.Theboxislightenoughtocarry.Theriverwateriswarmenoughtoswimin.1.LastsummerItookacourseon____.A.howtomakedressesB.howdressesbemadeC.howtobemadedressesD.howdressestobemade5.Iwouldlove___tothepartylastnightbutIhadtoworkextrahourstofinishareport.A.togoB.havinggoneC.goingD.tohavegone6.____lateinthemorningBobturnedoffthealarm.A.TosleepB.SleepingC.SleepD.Havingslept7.Tomkeptquietabouttheaccident__losehisjob.A.sonotastoB.soasnottoC.soastonotD.notsoasto8.Johnwasmade____thetruckforaweekasapunishment.A.towashB.washingC.washD.tobewashing10.It’ssaidthattheOlympicGames____inBeijingin2008willcovermoreeventsthananyotherOlympicsdid.A.holdingB.tobeheldC.heldD.tobeholding11.Willyoupleasetellmewhyyouhadnopen____inclassKate?A.toh