英语人教版九年级全册unit 5 section 1a-1c 课件.ppt

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1、Unit5Whatwereyoudoingwhentherainstormarrived?Period1SectionA1a-2c教学目标：1.学习了解过去进行时的构成与运用。2.能正确的使用when与while引导的时间状语从句初步交谈过去进行的事。教学重点：过去进行时态的句型结构及运用教学难点：辨析when与while的用法区别1.这个单元我们学习过去进行时态，以前学过现在进行时态am/is/aredoing,而过去进行时态公式是was/weredoing,它表示过去某个时间点或时间段正在发生的动作,例Iwasdo

2、inghomeworkat8lastnight.Hewasplayingthepianoatthetimeoftherainstorm.2.另外当句子中有when与while时，我们要学会判断主句与从句(when与while后紧跟的为从句)Heisswimming.Whatishedoingnow?JackyWhatisshedoingnow?Sheissinging.What’shedoingnow?Whatwashedoingatthreeo’clockyesterdayafternoon?Hefootball.w

3、asplayingHeisplayingfootball.Whatwasshedoingatseveno’clockyesterdaymorning?SheWhat’sshedoingnow?Sheisrunning.wasrunning.Whataretheydoingnow?TheyWhatweretheydoingattenlastnight?Theyaredancing.weredancing.含义：表示现在正在进行的动作。结构：is/am/are+doing例句：WearehavinganEnglishcla

4、ssnow.含义:表示过去某个时刻正在进行的动作。结构：was/were+doing例句：WewerehavinganEnglishclassatteno’clockyesterdaymorning.Wherewerethepeopleatthetimeoftherainstorm?Matchthestatementswiththepeopleinthepicture.1.____Iwasinthelibrary.____Iwasinmyhouse.3.____Iwasonthestreet.4.____Iwasatt

5、hebusstop.badc1aShewasreadingathome.Lookatthepicturesandanswerthequestionsbyusing“was/were+doing”.(1c)Whatwasyoursisterdoingatthetimeoftherainstorm?SpeakingHe_____________________.Whatwasyourbrotherdoingatthetimeoftherainstorm?wasdoinghishomeworkHe______________

6、______.Whatwasyourfatherdoingatthetimeoftherainstorm?wasplayingbasketballUsetheinformationin2atoretellthestoryinaconversationbetweentheboyandaTVreporter.TVreporter:Telluswhathappenedyesterdaymorning.(见导学案）Boy:…TVreporter:So,whentherainstormsuddenlycame,whatwerey

7、oudoing?Boy:…2cWhen–While用法归纳一种状态/地点+when+whathappened(短暂性动词)2)whatwashappening+when+whathappenedIwassurprisedwhenmyfathershouted.Iwasinthebathroomwhentherainstormcame.Iwaswaitingforthebuswhenitbegantorainheavily..同义句WhileIwaswaitingforthebus,itbegantorainheavil

8、y..Whileyouweresleeping,IcalledJenny.3)Whilewhatwashappening,+whathappened(短暂性动词)同义句YouweresleepingwhenIcalledJenny.4)Whilewhatwashappening,+whatwashappeningWhileIwas