《一般過去式》PPT課件.ppt

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一般過去式,,例句Whatdidyoudoyesterday?昨天你干了什么？ImetLinTaothismorning.今天上午我會到了林濤。Iwasthereamomentago.剛才我在那兒,標(biāo)志詞yesterday昨天(yesterday+時間/last+時間)ago….之前before在….之前thedaybeforeyesterday前天justnow剛才in+時間（in1990）......,動詞的一般過去時變化規(guī)律：⑴一般情況直接在詞尾加+ed，如：cook-cookedwash-washed⑵以不發(fā)音的e結(jié)尾的動詞，在詞尾+d如：like-likedlive-lived⑶以重讀閉音節(jié)結(jié)尾的動詞，雙寫最后一個字母再在詞尾+ed如：stop-stoppedshop-shoppedplan-planned計劃⑷以輔音字母+y結(jié)尾的動詞，要改y為i再加ed如：study-studiedcarry-carried運(yùn)送，搬運(yùn),二、用法說明1.表示在過去某個時間所發(fā)生的動作或所處的狀態(tài)。常與yesterday,lastweek,in1989,justnow,amomentago,theotherday等連用。如：Hewasherejustnow.他剛才還在這里。Whatdidyoudoyesterday?你昨天做了什么事？2.在過去一段時間內(nèi)的經(jīng)常性或習(xí)慣性動作。如：Weoftenplayedtogetherwhenwewerechildren.我們小時候常在一起玩。注：表示過去經(jīng)常發(fā)生的動作還可用usedto和would。如：Heusedtosmokealot,buthedoesn’tnow.他過去經(jīng)常抽煙，但現(xiàn)在不抽了。Wheneverwewereintrouble,hewouldhelpus.每當(dāng)我們遇到困難，他都會幫助我們。,3.表示主語過去的特征或性格。如：AtthattimeshewasverygoodatEnglish.那時她英語學(xué)得很好。4.用在狀語從句中表示過去將來。如：Hesaidhewouldwaituntiltheycameback.5.一般過去時有時可以表示現(xiàn)在，多與want,hope,wonder,think,intend等動詞連用，使語氣更委婉。如：Iwonderedifyoucouldhelpme.不知你能不能幫我一下。,一般過去時對謂語動詞的要求一般過去時的謂語動詞要用動詞的過去式。動詞過去式的構(gòu)成分規(guī)則變化和不規(guī)則變化兩種形式，不規(guī)則變化通常需要逐個記憶，規(guī)則變化則遵循以下原則：(1)一般在動詞后加-ed。如：play—played,offer—offered,weigh—weighed,destroy—destroyed,sign—signed.(2)在以字母e結(jié)尾的動詞后，只加-d。如：like—liked,provide—provided,hate—hated,date—dated。(3)在以“輔音字母+y”結(jié)尾的動詞后，則改y為i，再加—ed。如：supply—supplied,fly—flied,study—studied.(4)在以單短元音的重讀閉音節(jié)結(jié)尾且，末尾只有一個輔音字母的動詞后，雙寫最后一個輔音字母，再加-ed。如：plan—planned,refer—referred,regret—regretted,ban—banned.,練習(xí)題一、單項選擇：從下列各題后所給的四個選項中選擇最佳答案填空。()1．Myfather＿＿＿＿＿＿illyesterday．A．isntB．a(chǎn)rentC．wasntD．werent()2．＿＿＿＿＿＿yourparentsathomelastweek﹖A．IsB．WasC．AreD．Were()3．Thetwins＿＿＿＿＿＿inDalianlastyear．They＿＿＿＿＿＿h(yuǎn)erenow．A．a(chǎn)re;wereB．were;areC．was;areD．were;was()4．＿＿＿＿＿＿yourfatheratworktheday＿＿＿＿＿yesterday(前天）﹖A．Was;beforeB．Is;beforeC．Was;afterD．Is;after,二、請用正確動詞形式填空。1.I_________(have)anexcitingpartylastweekend.2.---_________she_________(practice)herguitaryesterday?---No,she_________.3.---What________Tom________(do)onSaturdayevening?---He________(watch)TVand__________(read)aninterestingbook.4.Theyall_________(go)tothemountainsyesterdaymorning.5.She_________(notvisit)herauntlastweekend.She________(stay)athomeand_________(do)somecleaning.,三、翻譯下列句子1.我過了一個忙碌但卻刺激的周末。I_had___________________________________excitingweekend.2.Jenny喜歡看書。昨晚她看了一本英語書。Jennylikes___________________.She_________anEnglishbooklastnight.3.上周六他們做什么了？他們做作業(yè)和購物了。What________they__________________Saturday?They___________________homeworkand___________________.,1、Lucydidherhomeworkathome.（改否定句）Lucy_______________herhomeworkathome.2、Hefoundsomemeatinthefridge（冰箱）.（變一般疑問句)___________he_____________________meatinthefridge?3、Therewassomeorangeinthecup.（變一般疑問句)_______there_______orangeinthecup?4.Frankreadaninterestingbookabouthistory.（一般疑問句）_______Frank_______aninterestingbookabouthistory?5.Whynotgooutforawalk?（同義句）_______________________outforawalk?,句型變化1.否定句：a．主語＋didn’t＋動詞原形＋賓語。(did+not=didnt)Hedidntdomorningexercisesyesterday.b．主語＋wasn’t/weren’t＋表語。(was+not=wasnt,were+not=werent)HewasntanEnglishteachertenyearsago.,2.一般疑問句：a．Did＋主語＋動詞原形＋賓語？DidyoustudyEnglishin1990?b．Was/Were+主語＋表語？Washeapupilfiveyearsago?,特殊疑問句：a．特殊疑問詞＋did+主語＋動詞原形＋賓語？Wheredidyourparentslivefiveyearsago？WhatdidyoudolastSunday？b．特殊疑問詞＋were/was＋表語？Whowasatthezooyesterday?,