一般现在时态与进行时态的比较ppt课件.ppt

*现在进行时*一般现在时,语法,1,1.含义：表示现在正在进行或一段时间正在进行的动作标志词：now,look,listen等。2.构成：be+V-ing,现在进行时的含义与构成,Heisreadingabook.,2,动词现在分词的构成,3,把下列动词变成现在分词,dowritehavegorun,readwatchgetswimclean,doing,writing,having,going,running,reading,watching,getting,swimming,cleaning,4,提示性词语：1、now.Eg1.Thechildrenareplayinggamesovertherenow.2、Look!Listen!Eg1.Look!Someboysareswimmingintheriver.Eg2.Listen!LucyissinginganEnglishsongintheclassroom.3、Itis+具体的钟点。（提示后句）Eg1.Its6:30inthemorning.LiLeiisgettingup.Eg2.Itstwelveoclock.Thestudentsarehavinglunchatschool.4、Whereis/are/am+主语？（提示后句）Eg1.-Whereisyourfather?HeiswatchingTVintheroom.Eg2.WhereisTom?Heisdoinghomeworkintheclassroom.5、上下文提示。Eg1.Whatareyoudoing?Iamlisteningtomusic.,5,相关的句型转换：1、变否定句：现在进行时态的句子变否定句时，在am/is/are后加not,常与am/is/are用缩略式。Eg1.Theyaresinging.-Theyarenot/arentsinging.2、变一般疑问句：现在进行时态的句子变一般疑问句时把am/is/are提到句首，大小写发生变化，句号变问号。Eg1.Iamdoingmyhomeworknow.-Areyoudoingyourhomeworknow?Eg2.Thestudentsarehavingclasses.-Arethestudentshavingclasses?3、划线提问：先确定疑问词，然后把除掉划线部分的句子变成一般疑问句接在疑问词后面。Eg1.Heiswritingaletter.(划线提问)Whatishedoing?Eg2.Lucyisdancing.(划线提问)Whoisdancing?,6,Whatishedoing?Heisplayingbasketball.,7,Whatistheboydoing？Heissinging.,8,-Whatretheydoing?,-Theyreswimming.,-Aretheyswimming?,-Yes,theyare.,9,-Aretheysinging?-No,theyarent.Theyarentsinging.Theyaredancing.,10,Arethey_abook?No,they_._arethey_?Theyre_.,reading,arent,What,doing,writing,11,Isthegirl_(get)up?No,she_.What_she_?She_.,getting,isnt,is,doing,issleeping,12,2.否定句：直接在be后加not.如：Iamwriting.Iamnotwriting.,现在进行时的句式,1.肯定句:主语+be+v-ing+其它.如:Iamreadingabook.,13,3.一般疑问句及回答: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,Imnot.,14,一般现在时：表示现在的状态、经常的或习惯性的动作、表示主语具备的性格和能力等。一般现在时的构成：肯定句：主语is/am/are其它成分.主语(除第三人称单数)动词原形其它成分.Heisanofficeworker.Igetupatsixeveryday.主语(第三人称单数)动词s/es其它成分.Myfatherusuallygoestoworkbybus.,15,用法：1、表示习惯性、经常性出现的动作、状态。2、表示目前的状态。3、表示客观事实或普遍真理。,Iusuallygotoschoolatseven.Sheneverplayscomputergames.,Theydontlikeswimming.Helookslikehisfather.,Theearthgoesroundthesun.Winteriscolderthansummer.,16,关键词，时间状语：,often、usually、always、sometimes、nevereveryday、onSunday/Monday,17,主语是第三人称单数时,行为动词的变化规则如下:一般动词在词尾加-s,如:helps,makes,gets,swims,knows,plays等.以s,x,ch,sh,或o结尾的动词在词尾加-es,如dresses,washes,catches,does等.以辅音字母+y结尾的动词,先变y为i,再加-es,如fly-flies,study-studies等.,18,Theyplayfootballintheplayground.,否定句:一般疑问句:肯定回答:否定回答:,Theydonot(dont)playfootballintheplayground.,No,theydont.,Yes,theydo.,Dotheyplayfootballintheplayground?,19,否定句:一般疑问句:肯定回答:否定回答:,Igetupat6:35inthemorning.,Idonot(dont)getupat6:35inthemorning.,Doyougetupat6:35inthemorning?,Yes,Ido.,No,Idont.,20,Shewaterstheflowers.,否定句:一般疑问句:肯定回答:否定回答:,Shedoesnot(doesnt)watertheflowers.,Doesshewatertheflowers?,Yes,shedoes.,No,shedoesnot(doesnt).,21,写出下列动词的第三人称单数形式1.work_read_clean_write_2.teach_wash_guess_watch_3.go_do_4.study_fly_cry_play_5.have_,22,一、Choosetherightanswers.,()1.“IssheMary?”“_,she_.”A.Yes,isntB.No,amnotC.Yes,amD.No,isnt()2.“Are_inClassThree?”“Yes,Iam.”A.IB.heC.SheD.you()3.OnSunday,she_computergamesathome.A.playB.playsC.playesD.Playing()4.Class_.Letshaveabreak.A.finishesB.startsC.finishsD.finish,D,D,B,A,23,()5.Thepairofshoes_Toms.A.areB.isC.beD.am()6.Theteacherwithhisstudentsoften_theoldman.A.visitsB.visitC.doesntvisitD.isvisiting()7.“Doesthesnakeeatmeat?”“Yes,It_.”A.doB.doesC.dontD.doesnt()8.We_gotoschoolatweekend.A.arentB.haventC.isntD.dont,B,A,B,D,24,1.Jimusually_(have)lunchathome.2.LiGuanhua_(be)twentyyearsold.3.Howmanystudents_(be)thereinyourclass?4.-_she_(study)hard?-Yes,she_.5.Lucyandlily_(notspeak)Chinese.6.Myfather_(notdo)morningexerciseseveryday.7.Shealways_(wash)herclothesonSundays.8._yourbrother_(like)playingfootball?No,he_.,用所给动词一般现在时态填空:,has,is,are,Does,study,does,dontspeak,doesntdo,washes,Does,like,doesnt,25,达标训练,26,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.那对双胞胎正在睡觉.,WearewatchingTV.,Theyarecleaningtheclassroom.,Tomishavingbreakfast.,Thetwinsaresleeping.,27,5.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.你们正在听磁带吗?,Theboysareplayingsoccer.,Sheismakingthebed.,Iamplayingcomputergames.,Areyoulisteningtothetape?,28,一.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,heisnt.4.Tom_(play)thepianointheroom.Pleaseaskhimtocomehere.5.Listen!They_(sing)intheclassroom.,isrunning,arehaving,Is,cleaning,isplaying,aresinging,29,二.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,butIcant_it.A.lookfor,findingB.amfinding,lookforC.amlookingfor,findD.find,lookfor,30,三.句型转换1.Iamwateringtheflowers.(否定句)2.Shesjumpingnow.(一般疑问句)3.Theboysareplayingcards.(划线提问)4.Heisdoinghishomework.(复数句),Iamnotwateringtheflowers.,Isshejumpingnow?,Whataretheboysdoing?,Theyaredoingtheirhomework.,31,练习二用now把下列句子变为现在进行时态：1.Ilookattheblackboard.2.Wehaveourclass.3.Hedoeshishomework.4.Hedoesntrun.,Iamlookingattheblackboardnow.,Wearehavingourclassnow.,Heisdoinghishomeworknow.,Heisntrunningnow.,32,综合练习三：选择填空：()1.Whatareyoudoing?I_A.eatB.caneatC.eatingD.ameating()2.Wewant_thisbooknow.A.readingB.amreadingC.readD.toread()3.Ourteacheris_aredsweater.A.puttingonB.putonC.wearingD.wear()4.Thatboyisnt_theteacher.A.listenB.listensC.listeningD.listeningto()5.Itseightoclock.Jimsfamily_TV.A.iswatchingB.arewatchingC.watchD.towatch()6.Mymotheris_acake_mybirthday.A.making,toB.making,forC.doing,toD.doing,for()7.Letme_thesebooksinthebox.A.putsB.putC.toputD.putting()8._you_thewindow?Yes,Iam.A.Do,cleanB.Is,cleaningC.Are,cleaningD.Do,cleaning,D,D,C,D,B,B,B,C,33,1、我的妈妈正在做早饭。Mymotherismakingbreakfast.2、我正要和我的朋友去看电影。Iamgoingtomovieswithmyfriend.3、他正在弹吉他吗？Isheplayingtheguitar?4、她现在没拉小提琴。Sheisntplayingtheviolin.5、她们在干什么？正在打篮球。Whataretheydoing?Theyareplayingbasketball.6、Lucy和Mary正在打排球。LucyandMaryareplayingvolleyball.,34,1)I_(be)astudent.Mysister_(be)astudent,too.2)There_（be）apenandtwopencilsinthepencil-box.3)Listen!She_(sing)asong.4)Wealways_(clean)ourclassroomafterschool.5)There_manycloudsinthesky.6)Sometimeswe_(play)footballafterschool.Wereally_(enjoy)ourselves7)They_(go)toGuangzhoueveryweek.8)Weknowthere_(be)24hoursinaday.,am,is,is,clean,play,enjoy,go,are,用所给动词的适当形式填空:,issinging,are,35,9)Allthestudents_(have)computerlessonsnow?10)_you_(go)toschoolbybuseveryFriday?11)What_yourmother_(do)?12)Myparent