過去進(jìn)行時(shí)微課

.,過去進(jìn)行時(shí)微課,岱岳區(qū)滿莊一中李華,.,一、定義：過去某一時(shí)間正在進(jìn)行的動(dòng)作。,二、與現(xiàn)在進(jìn)行時(shí)的異同：,現(xiàn)在進(jìn)行時(shí)的構(gòu)成為：主語十助動(dòng)詞am/is/are十動(dòng)詞的現(xiàn)在分詞。,Iwashavingdinnerwithmyfriendsatthistimeyesterday.,Youwerehavingamathclassatthistimeyesterday.,.,主語十助動(dòng)詞was(were)十動(dòng)詞的現(xiàn)在分詞,三、構(gòu)成：,四、標(biāo)志詞：,atthistimeyesterday,atthattime,atfivelastSunday,thewholemorning,allthatday,then,lastnight,以及when,while引導(dǎo)的時(shí)間狀語從句。,.,五、用法,（一）、過去某一時(shí)刻正在進(jìn)行或發(fā)生的動(dòng)作。,當(dāng)老師進(jìn)來時(shí)你們正在干什么？老師進(jìn)來時(shí)他正在讀書。他在讀書時(shí)，我在寫作業(yè)。,（二）、過去某個(gè)時(shí)間前后兩個(gè)動(dòng)作是同時(shí)進(jìn)行的。,Forexample:,Whatwereyoudoingwhentheteachercamein？,Hewasreadingbookswhentheteachercamein.,Whilehewasreadingbooks,Iwasdoingmyhomework.,特別注意：when與while的區(qū)別,二者都有“當(dāng)時(shí)”的意思，但while后只能跟延續(xù)性動(dòng)詞（即后面可加ing的動(dòng)詞），而when后既可跟延續(xù)性動(dòng)詞，又可跟非延續(xù)性動(dòng)詞，所有動(dòng)詞均可。,.,（三）、描述一件事發(fā)生的背景，一個(gè)長動(dòng)作發(fā)生時(shí)，另一個(gè)短動(dòng)作在發(fā)生。,Forexample:Mybrotherfellwhilehewasridingabike.,我哥哥騎自行車時(shí)，摔倒了。,Itwassnowingwhenheleftschool.,他離開學(xué)校時(shí)，天在下雪。,.,（四）、常與always連用，表埋怨、責(zé)怪、表揚(yáng)和喜歡等感情。,Myfatherwasalwayssmokingwhenshewasyoung.,我父親年輕時(shí)，總是抽煙。,IrememberedShewasoftensmilingwhenItalkedtoher.,我記得當(dāng)我和她說話時(shí)經(jīng)常微笑。,Forexample:,.,Exercise,1.WhenIarrivedathisoffice,he_onthephone.wastalkingB.talkedC.talkD.talks2.-Icalledyouyesterdayevening,butnobodyansweredthephone.-Oh,I_awalkwithmyparentsatthattime.A.tookB.wastakingC.amtalkingD.take,.,3.They_(在買衣服）whentheUFOarrived.4.What_you_whenyou_thealarm?(當(dāng)聽到警報(bào)的時(shí)候,你在干什么?),werebuyingclothes,were,doing,heard,.,While,Whatwerethey