Unit8Grammar课件牛津译林版英语八年级上册

Unit8NaturaldisastersGrammar

1.Timmywas____________(trap)inadarkplaceaftertheearthquakestopped.2.Listen!Icanhearanoldlady____________(scream)forhelpinthenextdoor.3.Theboytold____________(he)tocalmdownsincehewasstillalive.4.Youcanheartheshoutsfromthe__________(excite)peopleonthefootballfields.5.Whathappenedtoher?Whyissheso____________(silence)?trappedscreaminghimselfsilentexcitedTomplayfootball.isingLucyisreadabook.ingWhatisTomdoing?WhatisLucydoing?现在进行时：am/is/are+doingTomplayfootball.wasingLucywasreadabook.ingWhatwasTomdoingatthatmoment?WhatwasLucydoingat2:30p.m.yesterday?过去进行时：was/were+doing在过去__________正在进行的动作Theywereeatingbreakfastat7:00yesterday.某一时刻2.

在过去__________一直在进行的动作From1983to1998,hewasteaching

atYale.某段时间时间状语atthattime/moment那时atthistime/momentyesterday昨天这个时候at3p.m.yesterday昨天下午三点from3p.m.

to7p.m.yesterday昨天下午3点到7点过去进行时的句式总结1)肯定句：was/were+doing2)

否定句：was/werenot+doing wasnot=wasn’t werenot=weren’t3)疑问句：Was/Were+主语+doing?

AsnowstormhitSunshineTownAsnowstormhitSunshineTown.Mr.Wuisaskingthestudentsaboutit.Completetheirconversationwiththecorrectformsoftheverbsinbrackets.Mr.Wu:Whataterriblesnowstorm!Itstartedataboutseventhismorning.I___________(read)thenewspaperthen.What_____you______(do),Simon?Simon:I___________(have)breakfast.Mr.Wu:Whataboutyou,Millie?Millie:I____________(walk)tothebusstop.Sandy,Isawyouandyourparentsstandingonthesideoftheroad._____you_______(wait)forataxi?Sandy:Yes.Mydad’scarbrokedownbecauseofthecoldweather.He___________(ring)someonetocomeandhelpwhenyousawme.wasreading

weredoingwashavingwaswalkingWere

waitingwas

ringingwhile,when，as都可用作连词，表示“当……的时候”。但要根据连接前后的长动作或短动作对三个词进行区分。Usingwhile,whenandas.1.主句是延续性动词，从句是短暂性动词时,用when①bedoingwhendidWewerehavingameetingwhenthetelephonerang.2.当连接同时发生的两个延续性动词时，常用while②bedoingwhilebedoingWhileIwasdoingmyhomework,mymotherwascooking.3.

如果主句中是短暂性动词，从句中是延续性动词时，

用when,while,as③didwhen/while/asbedoingThetelephonerangwhen/while/as

Iwashavingameeting.4.如果两个短暂性的动作同时发生，用as引导。短动作（一般过去时）+as+短动作（一般过去时）主短从短：主过从过didasdide.g.Igotoffthebusashegotonit.PlayinginthesnowSomeClass1,Grade8studentswenttoplayinthesnow.Completethesentenceswiththecorrectformsoftheverbsinblanks.Usewhen,whileandastoconnectthesentences.1._______Simon_________(arrive),Amy___________(get)somesnowfromtheground.2._______________SuzyandKitty____________(build)asnowman,Millie___________(take)photos.3.Daniel_______(fall)over_____________he____________(make)abigsnowball.Whenarrivedfellwhile/as/whenwasmakingWhilewerebuildingwastakingwasgetting4.Peter__________(hide)behindatree______asnowball____(hit)him.5.______________Millieandherclassmates____________(play)inthesnow,Andy____(run)towardsthem.wereplayin