将来时态的被动语态.ppt

《将来时态的被动语态.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Passivevoiceallow的用法：1)allowsb.sth.允许某人某事；2)~sb.in(out)允许进入（出去）;3)allowsb.todosth.允许某人做某事4)~doingsth.允许干某事。注：不说allowtodo类似的动词短语还有：advisesb.todo/advisedoingsth.permitsb.todo/permitdoingsth.encourage鼓励/forbid禁止不许在候车室吸烟。Wedon’tallowsmokinginthewaitingroom.Smokingisnotallowedinthewa

2、itingroom.Wedonotallowpassengerstosmokeinthewaitingroom.Passengersarenotallowedtosmokeinthewaitingroom.Smokingisnotallowedinnon-smokingareas.Smokingisnotallowedinhospitalsandschools.Smokingwillnotbeallowedinanypublicplaces.Smokingwillbeallowedonlyinsmokingareas.dirtywaterDirtywa

3、terwillnotbeallowedtogointoriversbeforeitismadeclean.Dirtywatermustbemadecleanbeforeitgoesintorivers.polluteairAirisbeingpolluted.Airwillbepolluted.Pollutedaircan’tgointotheairbeforeitismadeclean.treescutdownMoretreeswillbecutdown.Fewtreeswillbeleft.Forestswillbedisappearing.cla

4、ssroomcrowdOurclassroomwillbemorecrowded.Ourclassroomwillbelesscrowded.Populationwillkeepincreasingandclassroomsandhospitalswillbecrowded.toomanycarsTherewillbetoomanycarsinthestreets.ThestreetsMoreharmfulgasesAirWhenfossilfuelsareburnt,carbondioxidewillintotheair,whichwillbring

5、aboutalotofenvironmentalproblems.So,carbonemissionwillbesentintotheair.willbepollutedmoreseriously.willbetoocrowded.besentmustbecut.Whatwillbedonetomakethecitymorebeautifulandattractive?will(not)bedonepollution;control/stopPollutionsmustbecontrolled.Pollutioncannotbecontrolledun

6、lesseveryoneofusmakeseffortstodosomething.…unlesseveryonerealizeshowserioustheproblemis,anddoessomethingtostopit.streets,widenmoretrees;plantbuildsetupincrease/developdecrease/reduceWewillmakeeffortstomakeourcitymorebeautifulandattractive.PollutionWastewaterandwastegasesMoretree

7、sMoreschoolsandhospitalsPublictransportOurcitywilllookmorebeautifulandbettertolivein.mustbecontrolled.mustbemadecleanbeforetheyaresentout.willbeplantedtomakethecityagreencity.willbesetup.willbedeveloped.