现在进行时

现在进行时1、现在进行时的构成现在进行时由“主语+am/is/are+动词的现在分词”构成。否定形式：主语+am/is/are+not+动词的现在分词疑问形式：Am/Is/Are+主语+动词的现在分词肯定回答：Yes,主语+am/is/are.否定回答：No,主语+am/is/are.2、动词现在分词的变化规则在动词原形后加-ingread-reading以不发音字母e结尾的动词，去掉e再加-inglive-livingwrite-writing以重读闭音节结尾且末尾只有一个辅音字母的动词，双写该辅音字母后再加-ingsit-sittingBegin-beginning少数几个以ie结尾的动词要变ie为y,再加-ingdie-dyinglie-lyingtie-tying重读闭音节就是闭音节为重读音节的音节，重读闭音节中元音字母不是发它本身的字母因，而是发短元音。以一个或几个辅音字母（r除外）结尾而中间只有一个元音字母的音节，称为闭音节。3、现在进行时的用法（1）表示此时此刻正在进行的动作。如：Whatareyoudoing?你在做什么？I’mreadingEnglish.我正在读英语。（2）表示现阶段正在进行的动作或持续的状态。如：Theyarestudyinghardthisterm.他们这学期学习一直很努力。（3）go,leave,arrive,start等动词用现在进行时表示将来。IamgoingtoBeijingthisSunday.本周日我打算去北京。（4）当时间状语为now,thesedays等或当句子中含有look,listen,canyousee,can’tyousee之类的暗示词时，要使用现在进行时。但应注意下列这些动词一般不用于现在进行时态的句子中。1）表示感觉的动词，如see,hear等。2）表示喜欢或厌恶的动词，如like,love,hate等。3）表示希望的动词，如want,wouldlike等。4）表示状态的动词，如be等。5）表示归属的动词，如have等。6）表示思维、知识或理解能力的动词，如know,forget等。现在进行时态专项练习1.定义：现在进行时表示正在发生或进行的动作。2.标志词：(1)时间状语now、atthemoment(2)句前有提示词look、listen、lookat…3.谓语动词的构成：be+动词-ing4.动词-ing的构成规则规则原形-ing形式一般在动词原形末尾加-ingwashcatchwatchwashingcatchingwatching以不发音字母e结尾的动词，先去掉e,再加-ingmaketakeridemakingtakingriding以重读闭音节（辅元辅）结尾的动词，双写末尾辅音，再加-ingsitputgetsittingputtinggetting以ie结尾的动词，先把ie变成y再加-inglietiedielyingtyingdying注意：see-seeingdraw-drawinglisten-listening现在分词构成口诀现在分词很好记，动词后缀-ing。直接加、去e加、双写加。还有一点要注意ie要用y来替。现在进行时用法口诀主语在前be在后，现在分词跟着走，其他成分不可丢。变一般很简单，把be提到句子前，否定句也不难，be后要把not添。还有一点要注意，动作提问doing替。现在进行时态练习题一．写出下列动词的现在分词形式。help_______come_______swim_______eat_______give_______find_______sit_______write_______tie_______make_______play_______clean_______catch_______walk_______ride_______run_______draw_______listen_______begin_______dance_______watch_______sleep_______see_______have_______二．用所给词的适当形式填空。1.Look!Theboy(read)books.2.Thegirls(have)breakfastnow.3.—he(clean)theblackboard?—No,heisn’t.4.Tom(play)footballontheplaygroundatthemoment.5.Listen!They(sing)inthemuiscroom.三．汉译英。1.我们正在看电视。WeTV.2.Tom在图书馆看书。Tombooksinthelibrary.3.康康在操场上打篮球。Kangkangisplayingbasketball.4.他此刻正在睡觉。Heissleeping.5.玛利亚在做什么？WhatMarianow?6.你在做作业吗？youyourhomework?四．句型转换。1.Iamrunningontheplayground.(变否定句)Iontheplayground.2.Sheisdancinginthegym.(变一般疑问句，并做肯定回答)dancinginthegym？Yes,.3.Theyaresleepingatthemoment.(划线部分提问)theyatthemoment?五．将下列句子改成现在进行时1.IwatchTVeveryday.I_________________TVnow.2.Sheworksinahospital.She_________________inhospital.3.Doyoureadthisbook?____you________thisbook.4.TomandSamhavelunchatabouttwelve.KittyandBen______________lunchatabouttwelve.5.Theycleantheroomintheevening.They______________theroomnow.六．完成下列现在进行时的句子：1.Thestudents___________(listen)totheteachernow.2.LiLei______________(watch)TVnow.3.She___________(look)atanicepicturenow.4.Look!Theboys______________(play)basketball.5.Listen!They_____________(sing)asong.6.Acat_____________(run)upthetreenow.7.I____________(get)upnow.8.Hermother______________(wash)thedishesnow.9.He_____________(go)totheparknow.10.They___________(sit)inthepark.11.Mymother______________(clean)theroomnow.12.She____________(drink)somemilk.13.Acat______________(sleep)behindthedoor.14.BillyandBob_______________(play)football.15.They____________(have)funtogether.七、选择填空。()1.Whatareyoudoing?I’m_____aninterestingbook.A.lookingB.seeingC.reading()2.What___yoursisterdoing?She_____cleaningthefloor.A.are,isBdoes,isC.is,is()3.Kateis___hergreendressnow.A.puttingonBputsonCwear()4.Isshe___herhomework?No,she___.A．do,doesn’tBdoes,isn’tCdoing,isDdoing,isn’t()5.Look!Thecousins_____newsweaters.A.arewearingB.wearingC.arewearD.iswearing()6.Don’ttalkhere.Myfatherandmother_____.A.issleepingB.aresleepingC.sleepingD.sleep()7Listen!Thebirds___inthetree.AsingBsingingCissingingDaresinging()8.Who_____overtherenow?A.drawingB.isdrawC.isdrawingD.draw()9.Thestudents_____anEnglishclass.A.haveB.havingC.ishavingD.arehaving()10.Listen!Thebaby_____intheroom.A.cryingB.criedC.iscryingD.cries()11.Iam____totheradio.A.amlisteningB.listeningC.amlisten()12.She_____thepiano.AisplayingBareplayingCplaying()13..We____onthechair.A.issittingB.aresitingC.aresitting()14.Lily_____ontheplayground.A.amrunningB.runningC.isrunning()15.They____inthepool.A.areswimmingB.areswimingC.swimming