when,while引导的时间状语从句复习.ppt

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1、时间状语从句复习Ireadabooklastnight.Hedidhishomeworkyesterday.Heplayedbasketballlastweek.1.I____(watch)TVlastnight.2.Mysister____(make)dinnerjustnow.3.She____(go)shoppinglastweek.4.They_____(have)dancingclassyesterday.5.We____(plant)treeslastyear.Iwasreadingabookat8:00lastnight.Hedid

2、hishomeworkyesterday.Hewasdoinghishomeworkatthattimeyesterday.Ireadabooklastnight.Heplayedbasketballlastweek.Hewasplayingbasketballat8:00yesterdaymorning.Askyourpartnerwhathe/shewasdoingat7:00lastnight,thengiveareport.At7:00lastnight…wasreading.…wasshopping…Whatweretheydoingw

3、hentheteachercamein?TheyweredoinghomeworkwhenTheteachercamein.FreetalkRainstormiscoming…strongwindsblackcloudsdarkskyWhatshouldwepreparebeforetherainstormcame?radiomatcheswoodflashlightfallentreesbrokenwindowsfallenhousesThestormbroughtpeopleclosertogether.Afterthestorm…Iwass

4、tudyinginthelibrary.Yesterday,therewasarainstorm.Whatweretheydoingwhentherainstormcame?Herearesomereports.Whatwereyoudoingwhentherainstormcame?WarmingupIwasonthestreet.Whatwereyoudoingwhentherainstormcame?Iwasreadinganewspaper.Whatwereyoudoingwhentherainstormcame?Iwaswaitingf

5、orthebusatthebusstop.Whatwereyoudoingwhentherainstormcame?WhenI…Hewasdoing…WhenIcalledhimup,hewassleeping.WhenI…Hewasdoing…WhenIwalkedtoschool,hewashavingbreakfast.1.构成及用法过去进行时由“was/were+动词-ing”构成，表示在过去某一时刻或某一段时间正在进行的动作。常与过去进行时连用的时间状语有ateight/nine...(o’clock)yesterdaymorning,

6、atthattime，fromeighttotenyesterdaymorning等。过去进行时过去进行时着重描述当时正在持续进行的动作，它的特点是：暂时，持续和未完成，强调过程；一般过去时表示发生过的动作或存在的状态，即表示动作发生过，而且已经结束了，强调结果。过去进行时与一般过去时的区别如:Alicewasdoingherhomeworkatsixyesterdayevening.Mikeandhisbrotherwereplayingsoccerfromthreetofouryesterdayafternoon.肯定式：主语+was/wer

7、e+动词-ing(+其他).如：Iwasswimmingatthattime.否定式:主语+wasn’t/weren’t+动词-ing(+其他).如：Theyweren’tlisteningtomusicattenyesterdaymorning.2.句式疑问式:Was/Were+主语+动词-ing(+其他)?其肯定回答为：Yes,主语(人称代词)+was/were.；否定回答为：No,主语(人称代词)+wasn’t/weren’t.如：—WasJoereadingatthetimeoftherainstorm?—Yes,hewas./No,he

8、wasn’t.单元复习单元目标when,while过去进行时when和while都可表示“当……的时候”,引导时间状语从句。你知道两者在