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现在进行时讲解一.现在进行时概念：现在进行时表示现在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。二.现在进行时结构：主语+Be动词＋V-ing三.现在进行时几种句型用法：①陈述句(肯定句)：主语＋be(am,is,are)+现在分词，e.g.IamreadingEnglish.我正在读英语。Heiswriting.他正在写字。Youarerunning.你正在跑步。②一般疑问句：Be(Am,Is,Are)+主语＋现在分词，e.g.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。③特殊疑问句：疑问词＋be(am,is,are)＋主语＋现在分词，e.g.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。④否定句主语＋be(am,is,are)＋not+现在分词e.g.IamnotreadingEnglish我不在读英语。【注】这里的现在分词指的是V-ing形式；像look(看)、listen(听)、now(现在)常出现在现在进行时态句子中。请看：1.Look!Jackisswimming.看！杰克正在游泳。2.Listen!Sheissinging.听！她正在唱歌。3.Iamcleaningmyroomnow.现在我正在打扫房间。四.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.假如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.现在进行时基础专项练习：一、写出下列动词的现在分词：play________sing________go_________feed________read________eat________write________have_________make_________dance_________live_________ride________take_________come________put________cut________run__________swim_________sit_______二、用所给的动词的正确形式填空：1.Theboy__________________(draw)apicturenow2.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)suppernow.10.______Helen____________(wash)clothes?Yes,sheis.三、句型转换：1.Theyaredoinghousework.(分别改成一般疑问句和否定句)①________________________________________________________②_________________________________________________________2.Thestudentsarecleaningtheclassroom.(改一般疑问句并作肯定和否定回答)①___________________________________②_________________③_________________3.I’mplayingthefootballintheplayground.(改为否定句)________________________________________________________4.Tomisreadingbooksinhisstudy.(改为一般疑问句)___________________________________________________________5.Mymotheriscookingsomenicefoodnow.(改一般疑问句并作肯定和否定回答)①_____________________________②_________________________③_____________________________6.Theyarenotwateringtheflowersnow.(改为肯定句)___________________________________________________________现在进行时态提高题一.填空题1．MrZheng_____________________(read)abooknow.2.Therabbits_____________________(jump)now.3.Look!TomandJohn____________________(swim).4.Mybrother_____________________(make)akiteinhisroomnow.5.Look!Thebus_____________________(stop).6.We_____________________(have)anEnglishclassnow.7.Listen!Someoneis_________________(come).8.They_____________________(catch)butterfliesnow.二、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：__________________________2.造句:1)Sheisclosingthedoornow.(改成否定句)2)Youaredoingyourhomework.(用I作主语改写子)3)TheYoungPioneersarehelpingtheoldwoman.(改成一般疑问句)三、单项选择()1.Look!Thetwins_____theirmotherdothehousework.(A)arewanting(B)help(C)arehelping(D)arelooking()2._____arethebirdsdoing?Theyaresinginginatree.(A)Who(B)What(C)How(D)Where()3.你在干什么?(A)Whatisyoudoing?(B)Whatareyoudo?(C)Whatareyoudoing?(D)Whatdoyoudo?()4.Theyare_____theirclothes.(A)makeing(B)putting(C)putaway(D)puttingon()5.Listen!She____intheclassroom.(A)issinging(B)sing(C)tosing(D)issing()6.TodayJim______hiswhiteshirtandbrowntrousers.(A)isputtingon(B)wear(C)puton(D)iswearing()7.______areyoueating?I’meating______meat.(A)What,some(B)Which,any(C)Where,not(D)What,a()8.They______TVintheevening.Theydotheirhomework.(A)arewatching(B)can'twatching(C)don'twatch(D)don'twatching()9.Thechildren_____football.(A)isplaying(B)areplaying(C)playthe(D)playa()10.Theyareflyingkites.(A)他们喜欢放风筝.(B)他们在放风筝吗?(C)他们在放风筝.(D)他们常放风筝.()11.Look.Lucyis_____anewbiketoday.(A)jumping(B)running(C)riding(D)takeing