八年級英語下冊Unit5-過去進行時語法教學(xué)課件

過去進行時1含義：（概念）

表示過去某個時刻正在進行的動作。（或過去一段時間正在進行的動作）2.句子結(jié)構(gòu):

：be(was/were)+doing即：主語+was/were+doingsth.+時間狀語過去進行時1含義：（概念）13.時間狀語詞:at8o’clocklastnight/thistimeyesterday/at5:00yesterdayafternoon/atthattime,then等連用(或者用另一動作來表示過去的時間)過去進行時①表示過去某個時刻正在進行的動作。例句：Whatwereyoudoingatninelastnight?

昨晚九點你正在干什么？

3.時間狀語詞:at8o’clocklastnig2Iwastaking

ashoweratninelastnight.昨晚九點我正在洗澡.Theywereplayingbasketballat5o’clockyesterday

afternoon.昨天下午五點他們在打籃球。②：表示在過去某一時間內(nèi)正在進行的動作。ShewaswritingaletterwhenIcamein.

我進來時，她正在寫信。Thebarberwascuttingmyhairwhentheyarrived.

他們到達時，理發(fā)師正在給我剪頭發(fā)。八年級英語下冊Unit5-過去進行時語法教學(xué)ppt課件3觀看動畫教學(xué)觀看動畫教學(xué)4Whatweretheydoingat10:30LastMonday?Theywererunning.Whatweretheydoingat10:305Whatwereyoudoingat10:10yesterdaymorning?Iwasgoingshopping.Whatwereyoudoingat10:106Wherewassheat9:00yesterday?Ithinkshewasin/at…Shewassweepingtheflooratthattime.at9:00lastnightWherewassheat9:00yesterd7Tom

What______Tom________at7:30thismorning?She___________________at7:30thismorning.wasdoingwascookingbreakfastOnepointTomWhat______Tom________a8What________they________from8to9lastnight?They____________________________from8to9lastnight.weredoingweretalkingonthephoneOnepointWhat________they________fr9WhatwasAlicedoing

whenIgotoutoftheshowerfromthebathroom?Shewasplayingthepiano.WhatwasAlicedoingwhenIgo10Talkaboutthepictures

Whatweretheydoingyesterdayafternoon?123Talkaboutthepictures

Whatw11IwasWewerecookingameal.playingvolleyball.havingaPEclass.watchingTV.workinginthe

chemistry

lab.Sweepingthefloor.makingamodel.feedingmydog.Whatwereyoudoinglastnight?lastSaturday?atteno’clock?yesterdaymorning?atnoonyesterday?Yesterdayafternoon?Iwascookingameal.Whatwerel12Pairwork:Patterns:A:Whatwereyoudoingatnineo’clocklastSundaymorning?B:Iwassleeping.Howaboutyou?A:Iwasdoingmyhomework.B:YouarekiddingPairwork:Patterns:13when和while的用法區(qū)別1.when既指時間點，也可指一段時間;

while只指一段時間.

2.when說明從句的動作和主句的動作可以是同時，也可以是先后發(fā)生；

while則強調(diào)主句的動作在從句動作的發(fā)生的過程中或主從句兩個動作同時發(fā)生。

WhentheUFOlanded,theboywaswalkingdownthestreet.

==Whiletheboywaswalkingdownthestreet,theUFOlandedMymotherwascookingdinnerwhilemyfatherwaswatchingTV.when和while的用法區(qū)別1.when既指時間點，也14(1)“當(dāng)…的時候”,如后面連接的動詞為進行時態(tài),則用while多于用when。而when通常與瞬間性動詞或延續(xù)性不強的動詞連用。(2)如果while前后的動詞都是進行時態(tài),while可譯為“與此同時”Iwasreading

whilemybrotherwasdrawing.(1)“當(dāng)…的時候”,如后面連接的動詞為進行時態(tài),則用wh15A:Whatwereyoudoingwhenthetrafficaccidenthappened?B:Wewerehavingaparty.trafficaccidentA:WhatwereyoudoingwhenB:16Whatweretheydoingwhentheplanetookoff?Theywereswimmingintheriver.takeoffWhatweretheydoingwhenthe17WhatwasAlicedoing

whenIgotoutoftheshowerfromthebathroom?Shewasplayingthepiano.WhatwasAlicedoingwhenIgo18觀看動畫教學(xué)觀看動畫教學(xué)19過去進行時著重描述當(dāng)時正在持續(xù)進行的動作，它的特點是：暫時，持續(xù)和未完成，強調(diào)過程；一般過去時表示發(fā)生過的動作或存在的狀態(tài)，即表示動作發(fā)生過，而且已經(jīng)結(jié)束了，強調(diào)結(jié)果。過去進行時與一般過去時的區(qū)別過去進行時著重描述當(dāng)時正在持續(xù)進行的動作，它的特點是：暫時，20過去進行時側(cè)重表示動作延長的時間長度;一般過去時表示過去某時發(fā)生過某事，側(cè)重說明事實。He___________aletterlastnight.

（過程描寫，他一直寫……，不一定完成）He________aletterlastnightandposteditthismorning．

（只說明他寫了……的事實，動作已結(jié)束）waswritingwrote相同的過去時間可能會有不同時態(tài)過去進行時側(cè)重表示動作延長的時間長度;一般過去時表示過去某21注：下列幾類動詞通常不用過去進行時。①表示狀態(tài)的動詞be；②感官動詞：feel,hear,see,smell,taste等;③表示思維或心理狀態(tài)的動詞：believe(認為),forget,consider,know,remember,hope,wish,want等；④表示所屬關(guān)系的動詞：belong,have,own,hold(容納)等。注：下列幾類動詞通常不用過去進行時。22ExercisesChoose“when”or“while”tofillintheblanks.(1)Iwaswalkinginthestreet______theaccidenthappened.(2)______youhaveameeting,youshouldturnedoffyourmobilephone.(3)______youhavePEclass,youshouldwearsportsshoes.(4)______Iwasdoingmyhomework,thetelephonerang.(5)______itwasraining,theplanetookoff.(6)______theteacherwasspeakingtoclass,Nickstoodupsuddenly.whenwhenwhenwhilewhilewhileExercisesChoose“when”or“whi23用所給動詞的適當(dāng)形式填空：1.We_________(wash)ourclothesatsixyesterdayevening.2.WhileAnn________(talk)withherdeskmate,theteachercamein.3.Look!Mary_________(clean)theroom.4.–What______you_____(talk)aboutjustnow?-Weweretalkingaboutthemovie.5.They________(move)toParislastmonth.用所給動詞的適當(dāng)形式填空：246.He_________(read)anovelfrom8to12yesterdaymorning.7.What____he_____(do)atfiveo’clockyesterdayafternoon.8.He__________(watch)TVwhenIcamein.9.She_____(do)herhomeworkwhilehermother