過去進(jìn)行時微課VIP

.,過去進(jìn)行時微課,岱岳區(qū)滿莊一中李華,.,一、定義：過去某一時間正在進(jìn)行的動作。,二、與現(xiàn)在進(jìn)行時的異同：,現(xiàn)在進(jìn)行時的構(gòu)成為：主語十助動詞am/is/are十動詞的現(xiàn)在分詞。,Iwashavingdinnerwithmyfriendsatthistimeyesterday.,Youwerehavingamathclassatthistimeyesterday.,.,主語十助動詞was(were)十動詞的現(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)的時間狀語從句。,.,五、用法,（一）、過去某一時刻正在進(jìn)行或發(fā)生的動作。,當(dāng)老師進(jìn)來時你們正在干什么？老師進(jìn)來時他正在讀書。他在讀書時，我在寫作業(yè)。,（二）、過去某個時間前后兩個動作是同時進(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”的意思，但while后只能跟延續(xù)性動詞（即后面可加ing的動詞），而when后既可跟延續(xù)性動詞，又可跟非延續(xù)性動詞，所有動詞均可。,.,（三）、描述一件事發(fā)生的背景，一個長動作發(fā)生時，另一個短動作在發(fā)生。,Forexample:Mybrotherfellwhilehewasridingabike.,我哥哥騎自行車時，摔倒了。,Itwassnowingwhenheleftschool.,他離開學(xué)校時，天在下雪。,.,（四）、常與always連用，表埋怨、責(zé)怪、表揚和喜歡等感情。,Myfatherwasalwayssmokingwhenshewasyoung.,我父親年輕時，總是抽煙。,IrememberedShewasoftensmilingwhenItalkedtoher.,我記得當(dāng)我和她說話時經(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)聽到警報的時候,你在干什么?),werebuyingclothes,were,doing,heard,.,While,Whatwerethey