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Unit6Topic3Bicyclesarepopular.If引导的条件状语从句一、位置(可前可后,在前用逗号和主句隔开)如果他在家，请给我打电话。Ifheisathome,pleasecallme.=Pleasecallmeifheisathome.二、时态要呼应（1）主句:现在时;从句:现在时。如果你到那儿了，给我打电话。Pleasecallmeifyougetthere.如果你努力学习，你会通过考试的。Ifyouworkhard,youcanpasstheexam.（祈使句）（情态动词）（2）主句:一般将来;从句:一般现在时表将来。如果明天是晴天，我们会去野餐。Ifitissunnytomorrow,wewillhaveapicnic.如果我有时间，我会去看电影。IwillgotoseeafilmifIhavetime.（3）主句:用过去时;从句:过去的某种时态。那时如果我再努力点，我可以通过考试。IfIworkedharderthen,Icouldpasstheexam.三、句型转换主语为you的条件状语从句可与“祈使句,and/or…”相互转换。and:顺承关系，or:转折关系。如果你再努力些，你可以学好英语。Ifyouworkharder,youcanlearnEnglishwell.=Workharder,andyoucanlearnEnglishwell.如果你不快点，就赶不上火车了。Ifyougetuplate,youwillmissthetrain.=Don’tgetuplate,oryouwillmissthetrain.一、改错1.Ifeveryonewillobeytheclassrules,ourclasswillbecomeoneofthebestclasses.2.Runfaster,oryouwillcatchthebus.3.Icometoseeyou,ifIhavetime.4.We’lltraveltoShanghaiifitwillbefinenextweek.5.Worksharder,oryou’llfailintheexam.obeysandyouwillcatchthebus.willcometoseeyou,ifIhavetime.isWork1.Ifyou_____totheparty,you’llhavefun.A.willgoB.wentC.goD.going2.I____hertheanswerifshe____me.A.cantell,willaskB.willtell,willaskC.wouldtell,askD.willtell,asks3.-We’llgotothelibrarytomorrowifit____.A.isn’trainB.rainC.won’trainD.doesn’train4.Iwanttoknowifshe________nextweek.A.comesB.willcomeC.comeD.tocomeCDDBThetrafficis___________.busyheavycrazyThetrafficincitiesis_____________thatinthecountryside.busierthanThetrafficinthecountrysideis_____________thatincities.notas/soheavyaspassengersatrafficaccidentIfatrafficaccidenthappens,passengerswillgethurt.Ifweobeythetrafficrules,therewillbefeweraccidents.Cyclingcan_____________saveenergyCyclingdoesn’t_____________causeairpollution1.Manypassengerswerehurtinthetrafficaccidentyesterday.()2.TrafficinBeijingisverygood.()3.Michaelrideshisbikelessthanbefore.()4.Cyclingdoesnotcauseairpollution()5.Itisnoteasytoparkbikes.()TFFTF看见一起交通事故受伤习惯于…害怕骑自行车感到更自信一点遵守交通规则节约能源导致空气污染停放自行车atrafficaccidentbehurtgetusedto…beafraidofridingbikesfeelalittlemoreconfidentobeythetrafficrulessaveenergycauseairpollutionparkbikesK:Isawatrafficaccidentyesterday.Manypassengerswerehurt.D:That’sterrible!IthinktrafficinBeijingiscrazy.M:You’llgetusedtoitsoon.WhenIfirstarrived,Iwasafraidofridingmybikeanywhere.ButnowIfeelalittlemoreconfident.K:Ifpeopleobeythetrafficrules,therewillbefeweraccidents.heavy/busy.主将从现=gothurt受伤M:Ithinkso.NowIlikeridingmybikearoundthecitymorethanbefore.D:Me,too.Cyclingcanhelpussaveenergyanditdoesn’tcauseairpollution.K:Iagree.It’seasytoparkbikes,too.v.节约;挽救v.引起节省时间省钱挽救病人的生命savetimesavemoneysavethepatients’livesM:Ithinkso.NowIlike___________________thecitymorethan_________.D:Me,too.Cyclingcanhelpus___________anditdoesn’t_________________.K:Iagree.It’seasy_______________,too.K:Isaw_______________yesterday.Many_______________________.D:That’sterrible!IthinktrafficinBeijing__________.M:You’ll__________itsoon.WhenI___________,I___________ridingmybikeanywhere.ButnowIfeel_____________________.K:Ifpeople____________________,therewillbe______________.atrafficaccidentwerehurtgetusedtowasafraidofalittlemoreconfidentobeythetrafficrulesfeweraccidentsridingmybikearoundbeforesaveenergycauseairpollutiontoparkbikesTrytorecite!firstarrivedpassengersiscrazy1c.Discusstheadvantagesofridingbicyclesandwritethemdown.1.Itcansaveenergy.2.Itcancauseairpollution.3.It’seasytoparkbikes.2Listentothepassageandfillintheblanks.1.Manypeoplearoundtheworldusebicyclesfor_______and_______.2.MorepeopleinChinausebicyclesbecause1)bicycles______verylittle.2)bicyclesneed_______spacethancars.3)cyclingdoesn’tcause_________________.4)cyclingisa_____________5)cyclingis_______________workpleasurecostlessairpollutionusefulsportgoodforourhealth3aTalkaboutthefollowingpicturesingroupsandcompletethesentences.askabouthaveanaccidentbadlyhurtsend…tothehospitalcall120atonce3aTalkaboutthefollowingpicturesingroupsandcompletethesentences.1.Whilethebicycleriderwascrossingtheroad,___________________________.2.Whenthedrivercameouttohavealook,hefound___________________________.3.Assoonasthedriversawwhathappened,he________________________________________.4.Afterthedoctorscame,____________________________________.5.Afterthepolicearrived,____________________________________.hehadanaccidenttheriderwasbadlyhurtcalled120atonceheaskedabouttheaccidenttheysenttheridertothehospitalsummary一起交通事故严重受伤遵守交通规则节约能源造成空气污染轻易做…询问送…去医院atrafficaccidentbe/getbadlyhurtobeythetrafficrulessaveenergycauseairpollutionIt’seasytodo…askaboutsend…tohospital(sent)Whataretheydoing?Theyarebreakingtrafficrules.crossabusyroadnotdrivecarefullymakeawrongturncrossabusyroadIfyoucrossabusyroad,youwill_________beindangerDon’tcrossabusyroad,oryouwillbeindanger.Ifyoudon’tdrivecarefully,youwill_________gethurtnotdrivecarefullyDrivecarefully,oryouwillgethurt.Ifyoumakeawrongturn,youwill_________causetroubleDon’tmakeawrongturn,oryouwillcausetrouble.makeawrongturnIfyoubreaktherules,youwill__________.getafineDon’tbreaktherule,oryouwillgetafine.bikeaccidentsWhatshouldwedowhenwerideabike?wearhelmetslightslight-coloredclothesnotridetoofast1.Weshouldneve