现在进行时的基本用法及练习题

现在进行时的基本用法一．定义：（1）现在进行时表示此时此刻正在发生的动作。如：wearehavingEnglishnow.我们正在上英语课。（2）现在进行时表示现阶段正在发生的动作。如：wearestudyingforatestthesedays.这些天来我们一直在复习备考。（3）现在进行时与always,forever(永远），constantly(不断地）continually(频繁地）等连用，表示赞赏或厌恶等感情色彩。如:I’malwayslosingmybooks.我总丢书。（生气）Heisalwayshelpingothers.Wealllovehim.他总是乐于助人，我们大家都喜欢他。（赞赏）Heisconstantlytalkingtome.他不停地跟我讲话。（厌烦）二．谓语构成及变化规则（观察例子进行总结）如：Iamrunningwithmyparentsnow.Look!Bobisswimmingintheriver.It’s9:00.TheyarehavingP.E（1）.结合以上例子分析：现在进行时谓语部分为：be(am/is/are)+现在分词（动词-ing）（2）动词有原形变为现在分词的基本规则：A.一般情况，在动词原形后直接加-ing.如：watch----watching,go---going,walk---walking,do---doing,fly---flying.B.以不发音的字母e结尾的动词，去掉e，再加-ing.如：take---taking.make---making,drive---driving,leave---leavingC.以“辅音字母+元音字母+辅音字母”的结构且中间的元音字母发的不是字母表上的音时即重读闭音节结构，双写最后一个辅音字母，再加-ing。如：run---running,plan---planning,set---setting,put---putting,cut---cutting,shop---shopping,swim---swimming,stop---stopping,sit---siting.例外情况：visit---visiting,follow---following,slow(延缓）---slowingD.少数以ie结尾的动词变ie为y,再加-ing.如：die---dying,lie---lying,tie---tying.三．时间状语（标志词）now,look或listen这些提示动词，或it’s9:00等提示性时间。结合句子来理解这些时间状语（标志词）Theyarehavingmusicnow.他们现在正在上音乐课。Listen！Tomissingingintheclassroom.听！Tom正在教室里唱歌。Look!Theyareplayingbasketballinthegym(体育馆）.看！他们正在体育馆里打篮球。It’s9:00.WearewatchingTV.现在是9点钟，我们正在看电视。四．句型。常考的四类句型为：肯定句、否定句、一般疑问句、特殊疑问句。句型较易掌握，理解例句即可。TheyarewatchingTVnow.(肯定句）TheyarenotwatchingTVnow.(否定句）AretheywatchingTVnow?(一般疑问句）Yes,theyare/No,theyaren’t.Whataretheydoing？（特殊疑问句）练习题一．单项选择。1.MybrotherandIplayingthecomputergames.A.isB.amC.beD.are2.---What’syourfatherdoing?---.A.HesingsB.HeoftenwatchesTV.C.Hewillcomeback.D.HeiswatchingTV.3.---theythepiano?---No,theyaren’t.A.Does,playB.Do,playC.Are,playD.Are,playing4.---Excuseme,whereisLily?---Oh,shethebasketballgameontheplayground(操场）.A.watchedB.watchingC.watchesD.iswatching5.---heEnglishat6:30everymorning?---Yes,butnowhemusic.A.Do,read,learn,B.Is,reading,islearningC.Does,read,islearning6.---Whereareyourfriends?---Look!Theyoverthere.A.talkB.talksC.talkingD.aretalking7.Mysistersongseverymorning.Listen!Sheinherroom.A.sings,singsB.sings,singingC.issinging,singsD.sings,issinging8.---Maria,don’tplaytheguitar.Imyhomework.---Oh,sorry.A.doB.doingC.amdoingD.does二．写出下列动词的现在分词形式。1.write----writing2.dance---dancing3.sing---singing4.listen---listening5.use---using6.run---running7.come---coming8.get---getting9.leave---leaving10.clean---cleaning11.read---reading12.swim---swimming13.play---playing14.make---making15.begin---beginning16.sit---sitting17.take---taking18.stop---stopping`19.live---living20.tie---tying三．用所给词的适当形式填空。1.Iamdoing(do)myhomeworkathomenow.2.Look!Thecatisrunning(run)upthetree.3.Listen!Thebirds(鸟）aresinging(sing)inthesky(天空）.4.It’ssixo’clock.Wearehaving(have)dinnerathome.5.Lookattheducks(鸭子）.Theyareswimming(swim)intheriver.6.---Does(do)heoftengetupearly?Yes,hedoes.Heisreading(read)Englishnow.7.Helikessinging/tosing(sing).Healwayssings(sing)inthemorning.Listen!Heissinging(sing)inhisbedroom.8.Listen!Whoiscrying(cry)?Wemustfindit.三．完成句子。1.看！Tom正在等公交车。（waitfor等待）Look！Tomiswaitingforthebus.2.我们正在谈论我们的新老师。（talkabout)Wearetalkingaboutournewteacher.3.他的爸爸正在看报纸。（readnewspapers)Hisfatherisreadingnewspapers.4.有些人在看书，有些人在听音乐。（listento)Somepeoplearereadingbooks,andsomepeoplearelisteningtomusic.5.他们正在给孩子们照相。（takephotos)Theyaretakingphotosofthechildren.6.看!树下每个人玩得都很开心。（haveagoodtime)Look!Everyoneishavingagoodtimeunderthetree.7.孩子们在雪地里开心地堆雪人。（havefundoingsth)Childrenarehavingfunmakingasnowmaninthesnow.8.Jim在滑冰，Mike在拍照。（skate,takephotos)JimisskatingandMikeistakingphotos.