Grade8-Unit3SectionBVIP专享VIP免费

WhatwereyoudoingwhentheUFOarrived？SectionBByMissHuangGrade8Languagegoals:GrasptheuseofThePastContinuousTenseDifferencesbetweenwhenandwhileRevisetheexpressions:getoutofrunawayshoutcallthepoliceanywherewalkaroundsaytosbWhathappened(tosb)?thinkaboutwriting/cleaningtheblackboard1?GuessingGame:Whatwashe/shedoingat4:15yesterdayafternoon?reading/doinghomework1?GuessingGame:Whatwashe/shedoingat4:15yesterdayafternoon?writing/reading2?GuessingGame:Whatweretheydoingat4:15yesterdayafternoon?doinghomework/thinking3?GuessingGame:Whatwashe/shedoingatthattime?settingthedesks/sweepingthefloor4?GuessingGame:Whatwashe/shedoingatthattime?running/playingfootball5?GuessingGame:Whatwashedoing?running/ridingahouse6?GuessingGame:Whatwashedoing?Thinkandcompare.TheboywaswalkingdownthestreetwhenaUFOlanded..Whiletheboywaswalkingdownthestreet,theUFOlandedWhilethegirlwasshopping,thealiengotout.Thegirlwasshoppingwhenthealiengotout.Iknow:1.while当……时候(后面跟的动作延续,多用进行时态)2.when当……时候(后面跟的动作不延续）Let’strytodoCompletethefollowingsentenceswith“when"or“while”1.Theboywaswalkingdownthestreet_______aUFOlanded.2.Thegirlwasshopping_______shesawthealiengetout.3._______thealienwasbuyingasouvenir,thegirlcalledthepolice.4._______thealienwasvisitingthemuseum,theboycalledtheTVstation.whenwhenWhileWhileJay__________________whenIsawhim.wasridingabicycleHe____________inthelakewhileIwaswalkingbythelake.wasswimmingThey____________________whenIleftschool.wereplayingbasketballWhilehermother__________,sheknockedat(敲门)thedoor.wascookingNamesActivitiestheyweredoingWhatwereyoudoingwhenyouheardthenews?MakeasurveyAskandanswerinpairsWherewereyouwhenyouheardthenews?Whatwereyoudoing?•1inariverswimming•2inaparkplayingbasketball•3inashopdoingsomeshopping•4athomecooking•5athomewatchingTV•6athomedoingmyhomework---Iwascallingmyfriendathome.---Wherewereyouat7:30lastSunday?Andwhatwereyoudoing?TaskOneInterviewyourpartnerTimeWhereWhat7:30amathomeCallingafriend9:00am12:30am4:00pm8:00pmHowwasthelastweekend?Report•He/Shewascallinghisfriendathomeat7:30lastSunday?1、When可指时间点，又可指时间段，从句中可用延续性动词，也可用非延续性动词。While总是指一个时间段，从句中必须用延续性动词。2、when/while写过去发生的事情。3、统一时态：主句过去式，从句也是过去式。SummaryFillwith“While”or“When”1.___Maywastalkingonthephone,hersisterwalkedin.2.___Ritaboughthernewdog,itwaswearingalittlecoat.3.____IsawCarlos,hewaswearingagreenshirt.4._____Iwasdancing,hewassingingloudly.Exercise1ExercisesChoose“when”or“while”tofillintheblanks.(1)Iwaswalkinginthestreet______theaccidenthappened.(2)______youhaveameeting,youshouldturnedoffyourmobilephone.(3)______youhavePEclass,youshouldwearsportsshoes.(4)______Iwasdoingmyhomework,thetelephonerang.(5)______itwasraining,theplanetookoff.(6)______theteacherwasspeakingtoclass,Nickstoodupsuddenly.1.I(wassleeping/slept)whenthephonerang.2.AlanwasdoinghouseworkwhenI(wasarriving/arrived.)3.Whiletheplane(wastakingoff/tookoff),thepilotdidn’ttalkatall.4.IwaswatchingTVwhenmymother(wasturning/turned)itoff.Exercise2ChoosethecorrecttheverbformsPleaserememberDon’ttouchit,Whilethedogissleeping.--------不要惹事生非Whilethereislife,thereishope.－－－－生命不止，希望不灭Thankyou,goodbye!Pleasegivemeyouradvice!