现在进行时PresentContinuousTense(现在进行时）定义：现在进行时表示现在（说话瞬间）正在进行或发生的动作。肯定句式:主+be(am/is/are)+doing+其他。否定句式:主+am/is/are+not+doing+其他。疑问句式：Am/Is/Are+主+doing+其他？特殊疑问形式What+am/is/are+主+doing+其他？动词v.-ing的构成形式1.一般在动词原形末尾加-ing2.以不发音的e结尾的动词，先去掉e，再加-ing3.以重读闭音节结尾的动词，如果末尾只有一个辅音字母，应先双写这个字母，再加-ing（辅-元-辅）动词现在分词的变化规则：动词现在分词由动词原形在词尾加-ing构成，根据其变化规则的不同，大体可以分为三种情况：Ⅰ.一般在动词末尾直接加ingthink---thinkingsleep---sleepingstudy---studyingspeak---speakingsay---sayingcry---cryingⅡ.以不发音字母e结尾的动词，先去掉e,再加ing如:skate---skatinghave---havingride---ridingcome---comingmake---makingdance---dancingwrite---writingtake---takingleave---leavingⅢ.以重读闭音节结尾的动词，中间只有一个元音字母，词尾只有一个辅音字母，应双写末尾的辅音字母，再加ing(也就是，以重读闭音节结尾，呈现“辅-元-辅”结构的动词，先双写末尾的辅音字母，再加ing)stop---stoppingsit---sittingrun---runningforget---forgettinbegin---beginningcut---cuttingget---gettinghit---hittingset---settingswim----swimmingfit---fittingdig---diggingshop---shoppingput---puttingtravel---travelling(可双写也可不双写)refer---referringprefer---preferringⅣ.以ie结尾的动词，把ie变成y再加ing如：lie---lyingtie---tyingdie---dying拓展1.以重读闭音节结尾，呈现“辅-元-辅”结构的动词，先双写末尾的辅音字母，再加-ing。初中学过的这类词常有：begin,cut,get,hit,run,set,sit,spit,stop,swim,beg,drop,fit,nod,dig,forget,regret,rid,refer,shop,put,现在进行时练习一、按要求改写句子1.Theboyisplayingbasketball.否定句：____________________________一般疑问句：_________________________肯定回答：__________________________否定回答：__________________________对“Theboy”提问：_________________________二.造句:1).she,thewindow,open,now.(用现在进行时连词成句.)_____________________2).is,who,thewindow,cleaning?(连词成句)______________________3).Sheisclosingthedoornow.(改成否定句)______________________4.)Youaredoingyourhomework.(用"I"作主语改写句子)______________________5).they,thetree,sing,now,under.(用现在进行时连词成句.)____________________6).TheYoungPioneersarehelpingtheoldwoman.(改成一般疑问句)_________三、单项选择（）1.我在照看孩子.(A)Iamlookingafterthebaby.(B)I'mlookafteringthebaby.(C)Ilookamafteringthebaby.(D)Ilookingafterthebaby.()2._____friend'smaking______akite.(A)I,me(B)My,my(C)My,me(D)His,his()3.Isthewoman______yellowyourteacher?(A)in(B)puttingon(C)wearing(D)having()4.Look!Thetwins_____theirmotherdothehousework.(A)arewanting(B)help(C)arehelping(D)arelooking5._____arethebirdsdoing?Theyaresinginginatree.(A)Who(B)What(C)How(D)Where()6.Isshe____something?(A)eat(B)eating(C)eatting(D)eats（)7.你在干什么?(A)Whatisyoudoing?(B)Whatareyoudo?(C)Whatareyoudoing?(D)Whatdoyoudo?)8.Whatareyoulistening_____?(A)/(B)for(C)at(D)to()9.我正在听他说话.(A)Ilisteningtohim.(B)I'mlisteningtohim.(C)I'mlistentohim.(D)I'mlisteninghim.()10.Theyare_____theirclothes.(A)makeing(B)putting(C)putaway(D)puttingon()11.Listen!She____intheclassroom.(A)issinging(B)sing(C)tosing(D)issing()12.TodayJim______hiswhiteshirtandbrowntrousers.(A)isputtingon(B)wear(C)puton(D)iswearing)13.______areyoueating?I'meating______meat.(A)What,some(B)Which,any(C)Where,not(D)What,a()14.They______TVintheevening.Theydotheirhomework.(A)arewatching(B)...
