《八年级英语上册 Unit 8 Natural disasters Grammar课件》由会员分享，可在线阅读，更多相关《八年级英语上册 Unit 8 Natural disasters Grammar课件（47页珍藏版）》请在金锄头文库上搜索。
1、Tomplayfootball.isingLucyisreadabook.ingWhatisTomdoing?WhatisLucydoing?Presentcontinuoustensebe(am/is/are)+verb-ingTomplayfootball.wasingLucywas readabook.ingWhat was Tom doing at that moment?WhatwasLucydoingat2:30p.m.yesterday?TheywatchingTVfrom6to8.wereThetwinsthinkwereing.Whatweretheydoingfrom6to
2、8lastnight?Whatwerethetwinsdoingatthistimeyesterday?What were they doing?Theyweredoingmorningexercises at9:05yesterdaymorning.Theywereplayingbasketball atthistimelastSunday.Shewasdrinkingmilkatthistimeyesterday.atthattime.Shewasplayingcomputergamesfrom10to11yesterdaymorning.HewasreadingnewspaperThey
3、weredoingmorningexercisesat9:05yesterdaymorning. TheywereplayingbasketballatthistimelastSunday.Hewasdrinkingmilkatthistimeyesterday.Can you work out the rule?Shewasreadingnewspaperfrom10to11yesterdaymorning.Iwasplayingcomputergamesatthattime.Past continuous tensebe(was/were)+verb-ing1.过去进行时主要表示在过去某一
4、时刻正过去进行时主要表示在过去某一时刻正在进行的动作。在进行的动作。e.g.a)Theywereeatingbreakfastat7:00amyesterday.b)Iwaswritingaletteratthistimeyesterday.c)Fiveminutesago,DannywaslookingoutofthewindowandSuzywasreadingabook.2.在过去某段时间一直在进行的动作在过去某段时间一直在进行的动作e.g.a)From1983to1998,hewasteachingatYale.b)Theywerebuildingadamlastwinter.Make
5、 sentences.1.at9oclocklastSunday2.atthistimeyesterday3.from7a.m.to6p.m.lastMonday4.atthattime5.from9to10lastnightwatchTVreadbookspractiseswimmingwatchtheparademakecakes过去进行时的句式过去进行时的句式1)基本结构：基本结构：was/were+Ving2)肯定句肯定句:主语主语+was/were+Ving3)否定句：否定句：was/werenot+Vingwasnot=wasntwerenot=werent4)疑问句：疑问句：将将
6、was/were移到主语前移到主语前5)特殊疑问句：特殊疑问句：疑问词疑问词+was/were+主语主语+Ving?Wasshetalkingatthattime?No,shewasnottalkingatthattime.No,theywerenotteachingEnglish.WeretheyteachingEnglish?We use the past continuous tense to talk about things that were happening at a particular time in the past.过去进行时表示在过去某一时刻或某过去进行时表示在过去某
7、一时刻或某一段时间内正在进行或发生的动作。一段时间内正在进行或发生的动作。形式为形式为was/were+V-ing。常与表示过去的时间状语连用，如：常与表示过去的时间状语连用，如：lastnight,lastSaturday等；或者与等；或者与when,while,as引导的过去时间状语连引导的过去时间状语连用。用。Iwas(not)sleepingat10p.m.lastnight.You/We/Theywere(not)He/She/Itwas(not)WasIsleepingat10p.m.lastnight?Wereyou/we/theyWashe/she/itYes,Iwas.you
8、/we/theywere.he/she/itwas.No,Iwasnt.you/we/theywerent.he/she/itwasnt.A snowstorm hit Sunshine Town. Mr. Wu is asking the students about it. Complete their conversation with the correct forms of the verbs in brackets. Mr.Wu:Whataterriblesnowstorm!Itstartedataboutseventhismorning.I_(read)thenewspapert
9、hen.What_you_(do),Simon?Simon:I_(have)breakfast.Mr.Wu:Whataboutyou,Millie?wasreadingweredoingwashavingMillie:I_(walk)tothebusstop.Sandy,Isawyouandyourparentsstandingonthesideoftheroad._you_(wait)forataxi?Sandy:Yes.Mydadscarbrokedownbecauseofthecoldweather.He_(ring)someonetocomeandhelpwhenyousawme.wa
10、swalkingWerewaitingwasringingWhatwastherabbitdoingjustnow?Whatwasthepigdoingjustnow?Hewasjumpingjustnow.Hewasdancingjustnow.Therabbitwasjumpingwhilethepigwasdancing.Look at the pictures and answer the questions. Thewormwaseatingwhilethedogwasreading.Twolongactionswentonatthesametime.Wewereclappingou
11、rhandswhiletheteacherswerewalkingacrossthepark.Therabbitwasjumpingwhilethepigwasdancing.Thewormwaseatingwhilethedogwasreading.Whilethepigwasdancing,therabbitwasjumping.Whilethedogwasreading,thewormwaseating.while,whenandas都表示都表示“当当的时的时候候”。e.g.Iwassleepingwhentheearthquakestarted.Peoplewererunningina
12、lldirectionswhilepiecesofglassandbrickswerefallingdown.AsIwastryingtofindmywayout,Isuddenlyheardsomenoiseaboveme.1.当连接同时发生的两个延续性长当连接同时发生的两个延续性长动作时，常用动作时，常用while引导。引导。e.g.WhileIwaswatchingTV,hewaslisteningtomusic.MilliewasreadingabookwhileEddiewassleeping.2.如果短暂性的动作是主句时，我们可如果短暂性的动作是主句时，我们可以用以用when,wh
13、ile或或as引导。引导。e.g.When/while/asMilliewaswatchingTV,Andycameintotheroom.3.如果延续性的动作是主句时，我们经如果延续性的动作是主句时，我们经常用常用when来连接。来连接。e.g.MilliewaswatchingTVwhenAndycameintotheroom.4.如果两个短暂性的动作同时发生，我如果两个短暂性的动作同时发生，我们通常用们通常用as连接。连接。e.g.AsMilliesatdownonthesofa,Andycameintotheroom.注：当一个短暂性动作发生的同时伴随注：当一个短暂性动作发生的同时伴随
14、着一个延续性的动作，这时我们通着一个延续性的动作，这时我们通常用过去进行时来表示延续性的动常用过去进行时来表示延续性的动作，用一般过去时来表示短暂性的作，用一般过去时来表示短暂性的动作。动作。Playing in the snowSome Class 1, Grade 8 students went to play in the snow. Complete the sentences with the correct forms of the verbs in blanks. Use when, while and as to connect the sentences.1._Simon_(
15、arrive),Amy_(get)somesnowfromtheground.2._SuzyandKitty_(build)asnowman,Millie_(take)photos.3.Daniel_(fall)over_he_(make)abigsnowball.Whenarrivedfellwhile/as/whenwasmakingWhen/While/Aswerebuildingwastakingwasgetting4.Peter_(hide)behindatree_asnowball_(hit)him.5._Millieandherclassmates_(play)inthesnow
16、,Andy_(run)towardsthem.wereplayingWhen/While/Asranwashidingwhenhit1.I_myhomeworkwhenMike_lastnight.昨天晚上迈克来的时候我正在写作业。昨天晚上迈克来的时候我正在写作业。2.WhileAnn_TV,herfather_home.安正在看电视时，她父亲回来了。安正在看电视时，她父亲回来了。wasdoingcamewaswatchingreturned4.She_theroomwhenI_toseeher.我去看她的时候她不是在打扫房间。我去看她的时候她不是在打扫房间。5.I_myvocationinE
17、ngland(at)thistimelastsummer.去年夏天的这个时候我正在英国度假。去年夏天的这个时候我正在英国度假。wasntcleaningwentwasspending3.WhatwereyoudoingwhenI_atthedoor?我敲门的时候你在干什么？我敲门的时候你在干什么？knocked6.Mary_whilePeter_thepiano.Mary在跳舞，在跳舞，而而Peter在弹钢琴。在弹钢琴。7.They_thenewspaperwhenI_theroom.我走进屋子时他们正在看报纸。我走进屋子时他们正在看报纸。8.What_you_atfiveyesterdayafternoon?昨天下午昨天下午5点你在做什么？点你在做什么？wasdancingwasplayingwerereadingwalkedintoweredoing1. Remember the new words in this lesson. 2. Do the exercises on the workbook.
