江西专用八年级英语下册Unit5Whatwereyoudoingwhentherainstormcame第3课时人教新目标版.ppt

情景引入,合作探究,课堂小结,随堂训练,Unit5Whatwereyoudoingwhentherainstormcame?,SectionB(1a-1d),Revision,WriteeachphraseinEnglish.,大风大暴风雨睡着醒来乱七八糟打扫接电话洗淋浴在那时确保相互帮助感觉像,strongwind,aheavyrainstorm,fallasleep,wakeup,inamess,cleanup,pickup,takeashower,atthattime,makesure,helpeachother,feellike,过去进行时,含义:表示过去某个时刻正在进行的动作。结构：was/were+doing例句：IwashavinganEnglishclassatthistimeyesterday.,现在进行时,含义:表示现在正在进行的动作。结构：is/am/are+doing例句：IamhavinganEnglishclass.,Fillintheblanks.,1.What_(be)you_(do)whenhearrived?2.Jim_(sleep)whenIcamein.3.They_(watch)TVat8:00yesterdayevening.4.Nowhe_(read)and_(write).,weredoing,wassleeping,werewatching,isreadingwriting,Exercise,情景引入,Thinkofatimewhenyouwerelatefororcouldntgotoanevent.Whatwastheevent?Whatwasthereasonwhyyouwerelateorcouldntgo?Tellyourpartnerthestory.,1bListenandwriteshortanswerstothequestions.,1.Whateventhappenedattheschoolyesterday?2.Whomissedtheevent?3.Whichteamwonattheevent?,Theschoolbasketballcompetition.,Kate.,Johnsteam.,探究点一Listening,1cListenagain.Numbertheevents1-6intheordertheyhappened.,_Katesawadogbythesideoftheroad._Kategottothebusstop._KatecalledtheAnimalHelpline._Kateleftthehouse._Katewaitedforsomeonetowalkby._Katerealizedherbagwasstillathome.,1,2,3,4,5,6,1dTalkaboutwhyKatemissedtheschoolbasketballcompetition.StudentAbeginsasentencewithwhileorwhen.StudentBcompletesthesentence.,A:Whentheschoolbasketballcompetitionstarted.B:Whentheschoolbasketballcompetitionstarted,Katewasstillmakingherwaytoschool.,探究点二Speaking,when和while引导的时间状语从句,1)延续性动词和非延续性动词延续性动词指动作可以延续一段时间,而不是瞬间结束。如:work、study、drink、eat等。非延续性动词指动作极为短暂，瞬间结束。如:start、begin、hit、jump、knock等。,课堂小结,2)在本单元中,出现了以when和while引导的时间状语从句。when表示“当的时候”。从句中既可用延续性动词,又可用非延续性动词,这些动词既可以表示动作,又可表示状态。从句中的动作既可和主句的动作同时发生,又可在主句的动作之前或之后发生。,MarywashavingdinnerwhenIsawher.,Theboywasstillsleepingwhenhismothergothomeyesterdaymorning.,当我看到Mary的时候她正在吃饭。,当他妈妈昨天早上到家的时候，这个男孩仍然在睡觉。,while表示“在的时候”、“在期间”。它强调主句的动作与从句的动作同时发生或主句的动作发生在从句的动作过程中。While从句中必须是表示动作或状态的延续性动词。如：当我们在北京的时候天气很好。在我出去的那段时间里她打电话来了。,TheweatherwasfinewhilewewereinBeijing.,ShecalledwhileIwasout.,如果主句的动作在从句的动作过程中发生，从句常用进行时。如:当我们在游泳的时候，一个人偷走了我们的衣服。当其他人在工作的时候不要这么大声说话。,Whilewewereswimmingsomeonestoleourclothes.,Donttalksoloudwhileothersareworking.,总结,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。2)while总是指一个时间段,从句中必须用延续性动词。,写出下列短语。,前往；费力地前进到达公交车停靠点跑步回家在路边等待走过；经过难怪,makeoneswayto,gettothebusstop,runbackhome,bythesideoftheroad,waitfor,walkby,nowonder,随堂训练,Retelling,Oneday,Katewasgoingtowatchtheschoolbasketballcompetition,butwhenshelefthome,shefoundthatsheforgottobringherbagWhatabaddayforher!