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一.概念：表达现在正在做某事。(标志词：now现在,look看,listen听,atpresent目前atthemoment此刻，rightnow立刻二．基本结构：a.肯定句:主语+be（即amisare）+v-ing+其它.如:Iamreadingabook.b.否定句：直接在be后加not.如：Iamwriting.Iamnotwriting.c.一般疑问句及回答:问句,直接把be提前,肯定回答:Yes,主语+be否定回答:No,主语+be+not-----Areyoudrawing?-----Yes,Iam./No,I’mnot三、规则动词变化规律：一般情况下，动词后直接加－ingworking,buying,visiting,talking,saying以不发音e结尾动词，去掉e，然后加－ingtaking,having,using,driving,writing,practicing以辅音字母+元音字母+辅音字母结尾的重读闭音节，双写末尾辅音字母，然后加－ingstopping,shopping,sitting,gettingrunningswimming四、达标训练I.用所给动词的适当形式填空.1.Look!Thecat____________(run)upthetree.2.Thetwins__________(have)breakfast.3.----___he________(clean)theblackboard?----No,heisn’t.4.Tom__________(play)thepianointheroom.Pleaseaskhimtocomehere.5.Listen!They____________(sing)intheclassroom.6.Myparents_______（watch）TVnow.7.Look.Threeboys_______（run）.8.What_______yourmother_______（do）now?9._______yourdog_______now?（sleep）10._______you_______（listen）tomusic?Yes,Iam.11.Look,MissChen_______football.（play）12.NowClass3andClass4_______（have）atest.13.Listen,someone_______（sing）intheclassroom14.——WhereisZhangYan?——She_______（talk）withherteacherintheteacher’soffice.II．汉译英1.我们正在看电视._______________________________________________________________2.他们正在打扫教室.____________________________________________________________3.汤姆正在吃早饭.______________________________________________________________4.那对堂兄弟正在睡觉.__________________________________________________________5.男孩子们正在踢足球.__________________________________________________________6.她正在铺床.__________________________________________________________________7.我正在玩电脑游戏.____________________________________________________________8.你们正在听音乐吗?____________________________________________________________III.选择填空.1.Mymotheris_____TV.A.lookingatB.seeingC.readingD.watching2.---____you____abook?---Yes,Iam.A.Do,readB.Are,readC.Are,readingD.Are,looking3.Kate_____,theothers_____.A.sing,listenB.issinging,islisteningC.sing,arelisteningD.issinging,arelistening4.I___myeraser,butIcan’t______it.A.lookfor,findingB.amfinding,lookforC.amlookingfor,findD.find,lookfor5.Who______overtherenow?A.singingB.aresingC.issinging6.It’snineten.Thestudents______amusicclass.A.haveB.havingC.arehaving7.Listen!Theboy_______.A.cryingB.iscryingC.cries8.Don’ttalkhere.Grandparents______.A.sleepB.issleepingC.aresleeping9.我在照看孩子.（）(A)Iamlookingafterthebaby.(B)I'mlookafteringthebaby.(C)Ilookamafteringthebaby.(D)Ilookingafterthebaby.10._____friend'smaking______akite.(A)I,me(B)My,my(C)My,me(D)His,his11.Isthewoman______yellowyourteacher?(A)in(B)puttingon(C)wearing(D)having12.Look!Thetwins_____theirmotherdothehousework.(A)arewanting(B)help(C)arehelping(D)arelooking13._____arethebirdsdoing?Theyaresinginginatree.(A)Who(B)What(C)How(D)Where14.Isshe____something?(A)eat(B)eating(C)eatting(D)eats15.你在干什么?(A)Whatisyoudoing?(B)Whatareyoudo?(C)Whatareyoudoing?(D)Whatdoyoudo?16.Whatareyoulistening_____?(A)/(B)for(C)at(D)to17.我正在听他说话.(A)Ilisteningtohim.(B)I'mlisteningtohim.(C)I'mlistentohim.(D)I'mlisteninghim.18.Theyare_____theirclothes.(A)makeing(B)putting(C)putaway(...