英语人教版八年级下册Unit5 Section B 1a-1d.ppt

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1、SectionB(1a-1d)Unit5Whatwereyoudoingwhentherainstormcame?RevisionWriteeachphraseinEnglish.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strongwindaheavyrainstormfallasleepwakeupinamesscleanuppickuptakeashoweratthattimemakesurehelpeachotherfeellike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+d

2、oing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______

3、___(read)and______(write).weredoingwassleepingwerewatchingisreadingwritingExerciseLeadinThinkofatimewhenyouwerelatefororcouldn'tgotoanevent.Whatwastheevent?Whatwasthereasonwhyyouwerelateorcouldn'tgo?Tellyourpartnerthestory.1bListenandwriteshortanswerstothequestions.1.What

4、eventhappenedattheschoolyesterday?2.Whomissedtheevent?3.Whichteamwonattheevent?Theschoolbasketballcompetition.Kate.John’steam.探究点一Listening1cListenagain.Numbertheevents[1-6]intheordertheyhappened.______Katesawadogbythesideoftheroad.______Kategottothebusstop.______Katecall

5、edtheAnimalHelpline.______Kateleftthehouse.______Katewaitedforsomeonetowalkby.______Katerealizedherbagwasstillathome.1234561dTalkaboutwhyKatemissedtheschoolbasketballcompetition.StudentAbeginsasentencewithwhileorwhen.StudentBcompletesthesentence.A:Whentheschoolbasketballc

6、ompetitionstarted...B:Whentheschoolbasketballcompetitionstarted,Katewasstillmakingherwaytoschool.探究点二Speakingwhen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。Summary2)在本单元中,出现了以when和while引导的

7、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

8、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。Theweatherwasfinewhil