unit3八年级上what were you doing.ppt

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1、Unit3WhatwereyoudoingwhentheUFOarrived?不明飞行物；飞碟现在进行时含义：表示现在正在进行的动作。结构：be(am/is/are)+doing标志词：now,look(at),listen(to)等。例句：IamhavinganEnglishclass.WearelisteningtoMissXia过去进行时含义：表示过去某个时刻正在进行的动作。结构：be(was/were)+doing标志词：atthistimeyesterday,at7:00lastnight,atthattime等。例句：Whatwereyo

2、udoingatninelastnight?Iwastakingashoweratninelastnight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.Listenandcompletethefollowingsentences.TheboywaswalkingdownthestreetaUF

3、Olanded.2.Thegirlwasshoppingshesawthealiengetout.thealienwasbuyingasouvenir,thegirlcalledthepolice.thealienwasvisitingthemuseum,theboycalledtheTVstation.whenwhilewhilewhenFillintheblankswith“while”and“when”.1.Tomwaseatingsupper,itbegantorainoutside.2.WhatwereyoudoingMr.Zhoucame

4、in?3.Peterwassleeping,athiefbrokeintohishouse.4.Sheleftherhometownshewasfive.whenwhenWhileWhileTranslatethefollowingsentencesbyyourself.1.当你完成你的工作之后，你可以休息会儿。Whenyoufinishedyourwork,youcouldhavearest.2.昨晚他一边吃东西一边看电视。HewatchedTVwhilehewaseating.3.当飞碟着陆的时候，我正在图书馆学习。WhentheUFOlande

5、d,Iwasstudyinginthelibrary.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。（常与一般现在时或一般过去时）2.while总是指一个时间段，从句中必须用延续性动词。（常用进行时态）我们正在踢球，这时突然下起了雨。女孩购物时外星人出来了。Wewereplayingsoccer_____itsuddenly_____._____thegirlwasshopping,thealiengotout.whenrainedwhile1.在……的前面（外部)______________在……的前面（内部）

6、_______________2.出……之外/进入_______________/_____3._________睡懒觉；____________睡得好；gettosleep=_________睡着5.沿……走_______________6.(飞机)起飞；脱下（衣帽）__________________7.跑开，逃跑_____________8.发生（强调必然性）____________9..发生（强调偶然性）_______________10..听说（间接听到）____________infrontofinthefrontofgetoutof/g

7、etintosleeplatesleepwellfallasleepwalkdown/alongtakeoffrunawaytakeplacehappentosth.Hearof/about11_______沉默不语；_______保持沉默12.._______________一次不寻常的经历13.________________.干某事有乐趣；_____________________干某事有困难14..______________对……有意义15.____________一个民族英雄16._______________全世界出名17.______

8、________第一次18.理发店___________________insilencekeepsilen