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1语法专题现在进行时现在进行时，用来表示正在进行或发生的动作,也可表示当前一段时间内的活动或现阶段正在进行的动作。结构是：be(am,is,are)+动词现在分词（动词ing）形式。一、陈述句(肯定句)主语＋be(am,is,are)+现在分词，如：IamreadingEnglish.我正在读英语。Heiswriting.他正在写字。Youarerunning.你正在跑步。二、否定句主语＋be(am,is,are)+not+现在分词，如：IamnotreadingEnglish.我不在读英语。Heisnotwriting.他不在写字。Youarenotrunning.你不在跑步。三、一般疑问句Be(Am,Is,Are)+主语＋现在分词，如：1.–Areyousinging?你正在唱歌吗？-Yes,Iam.是的，我在唱歌、No,I'mnot.不，我不在唱歌。)2.–Ishe(she)listeningtomusic?他(她)在听音乐吗？－Yes,he(she)is.是的，他(她)在听音乐。/No,he(she)isn't.不，他(她)不在听音乐。四、特殊疑问句疑问词＋be(am,is,are)＋主语＋现在分词，如：1.-Whatareyoudoing?你正在干什么？-Iamdoingmyhomework.我正在做作业。2.-Whatishe(she)doing?他(她)正在干什么？-He(She)isridingabike.他(她)正在骑自行车。五、现在进行时表示现在正在进行或发生的动作，五、动词加ing的变化规则1.一般情况下，直接加ing，如：cook-cooking2.以不发音的e结尾，去e加ing，如：make-making,taste-tasting3.如果末尾是一个元音字母和一个辅音字母，双写末尾的辅音字母，再加ing，如：run-running,stop-stopping六、需要掌握的进行时变化形式：sleeping,climbing,fighting,swinging,drinkingwater。drawingpictures,doingthedishes,cookingdinner,readingabook,answeringthephone，listeningtomusic,washingclothes,cleaningtheroom,writingaletter,writingane-mail，flying,jumping,walking,running,swimming，sleeping,climbing,fighting,swinging,drinkingwater.其次，look(看)、listen(听)、now(现在)，它们经常出现在句子中。请看：Look!Jackisswimming.看！杰克正在游泳。Listen!Sheissinging.听！她正在唱歌。Iamcleaningmyroomnow.现在我正在打扫房间。2、需要掌握的动名词（用在like后的词）collectingstamps,ridingabike,diving,playingtheviolin,makingkites2现在进行时专项练习I．写出下列动词的-ing形式runswingjumpwritedoanswerread________draw_______cook________make________talk_________answer________wash_________go_______fly________II.用所给的动词的正确形式填空：1.Theboy__________________(draw)apicturenow.2.Listen.Somegirls_______________(sing)intheclassroom.3.Mymother_________________(cook)somenicefoodnow.4.What_____you______(do)now?5.Look.They_______________(have)anEnglishlesson.6.They____________(not,water)theflowersnow.7.Look!thegirls________________(dance)intheclassroom.8.Whatisourgranddaughterdoing?She_________(listen)tomusic.9.It’s5o’clocknow.We_____________(have)suppernow10.______Helen____________(wash)clothes?Yes,sheis.III.连词成句。1..isThewaterelephantitsdrinkingwithtrunk._________________________________________2swim?reallyCantigers3.readingareinTheystudythebooks4.isbabypandaWhatdoing?the5speakdad,CanyourItoplease.IV.选择填空()1.Whatareyou_______now?A.doingB.doC.does()2.It’s_______Englishbook.A.aB.anC.the3()3.IlikeEnglish________.A.veryB.muchC.verymuch()4.I’m________ane-mail.A.writingB.writeingC.writting()5.Tomisreading_________.A.bookB.abooksC.abook()6.Kateis_______.A.runingB.runningC.run()7.Cantherabbit?A.jumpingB.jumpC.jumps()8.Ducksareswimming_______theriver.A.onB.underC.in()9.We’relistening_______music.A.toB.atC.of()10.What_______theydoingnow?A.isB.amC.are()11.What_____youdoing?A.isB.areC.do()12.______isyourbrotherdoing?A.WhoB.What’sC.What()13.Iamtalking____you.A.forB.toC.on()14.Momis______aletter.A.writingB.writeC.writing()15.Whatis________doing?A.sheB.herC.yourV．根据上下文补上所缺的单词的ing形式，使短文完整。(writedocookcleanwashanswerlistendrawreadwork)Everybodyisverybusy.Grandpais_______aletter.Grandmais_______abook.Dadis______inthestudy.Momis_______dinnerinthekitchen.Brotheris_______tomusic.Sisteris_______theroom.Iam_______pictures.Uncleis________thephone.Auntis______clothes.Cousinis_____homework.