Unit8Natural disasters Grammar课件(共58张PPT)牛津译林版八年级英语上册（含音频+视频）.pptx

Unit8;Tolearntousethepastcontinuous

tensetotalkaboutthingsthatwere

happeningforsometimeinthepast

Tolearntousepastcontinuoustense

with‘while’,‘when’and‘as’;过去进行时;Tom;Tom;在过去__________正在进行的动作

Theywereeatingbreakfastat7:00yesterday.;atthistimelastnight.;TheywereplayingbasketballwhenIwalkedpasttheplayground.;from8to9yesterdaymorning.;Wasshetalkingatthattime?

No,shewasnottalkingatthattime.;No,theywerenotlearningEnglish.;过去进行时的基本用法P123

表示过去某一时刻正在进行的动作以及过去某一阶段一直在进行的动作,常与表示过去的具体时间等连用，

如：thismorning,thewholemorning,allday,fromninetoten,lastevening,atthattime，atthistimeyesterday，at9lastnight,atthatmoment。

或者在when,while,as引导的时间状语从句中使用。

;Iwassleepingat10p.m.lastnight.;过去进行时的句式

1）基本结构：was/were+v-ing

2）否定式：was/werenot+v-ing

wasnot=wasn’t

werenot=weren’t

3）一般疑问句：was/were+主语+V-ing

4）特殊疑问句：wh-+was/were+主语+V-ing;I;Was;

Yes,;answercomeborrow

runbeginchange

buycelebratechat

cutkeepdrink

carrythinkwrite

practisewinshop

exercisedanceswim;;Mr.Wu:Whataterriblesnowstorm!Itstartedataboutseventhis

morning.I___________(read)thenewspaperthen.What

_____you______(do),Simon?

Simon:I___________(have)breakfast.

Mr.Wu:Whataboutyou,Millie?

Millie:I____________(walk)tothebusstop.Sandy,Isawyouand

yourparentsstandingonthesideoftheroad._____you______

(wait)forataxi?

Sandy:Yes.Mydad’scarbrokedownbecauseofthecoldweather.He

________(ring)someonetocomeandhelpwhenyousawme.;过去进行时与一般过去时的区别(1)

过去进行时着重描述当时正在进行的动作，它的特点是：