小学英语时态小学英语时态之之 现在进行时现在进行时四种时态n现在进行时n一般现在时n过去时n将来时现在进行时构成:主语+be+动词ingTomisdoinghishomework.第一人称+am+v-ing第二人称+are+v-ing第三人称+is+v-ingIm/Youre/Hes/Shes/Were/Theyre(not)working.定义：现在进行时表示现在或当前一般时间正在进行的动作。现在进行时口诀：我用am，你用are，is用在他她它，单数名词使用is，复数名词使用aren动词动词ing的变化规律：1）直接加ing，如：open-opening,clean-cleaning,meet-meeting,sing-singing,study-studying, 现在进行时2）去掉词尾不发音的e，如：take-taking,close-closing,come-coming,drive-driving,have-having,use-using,write-writing,practice-practicing,become-becoming3）重读闭音节的，双写最后的字母，加ing,如：sit-sitting,put-putting,begin-beginning,get-getting,swim-swimming,run-running,cut-cutting,现在进行时nstudy_make_swim_nStop_come_close_nHave_run_drive_nWash_beginwatch_nTaketalkput现在进行时n标记listen！.look!.now.atthemoment.atpresent.现在进行时n1MrZheng(read)abooknow.n2.Therabbits(jump)now.n3.Look!TomandJohn(swim).n4.Mybrother(make)akiteinhisroomnow.n5.Look!Thebus(stop).n6.We(have)anEnglishclassnow.现在进行时n7.Listen!Someoneis(come).n8.They(catch)butterfliesnow.n9.He(do)anexperimentnow.n10.They(collect)stampsnow.n11.Look!He(dive)now.n12.Tom(watch)TVinthediningroom.现在进行时n1)现在进行时的肯定形式：主语+be(am/is/are)+doing+其他成分Iamsinging.Theyarewriting.n2)现在进行时的否定形式:主语+be(am/is/are)+not+doing+其他成分Iamnotsinging.Theyarentwriting.现在进行时n3）一般疑问句及回答：be(am/is/are)+主语+doing+其他成分AmIsinging?Yes,youare./No,youarent.Aretheywriting?Yes,theyare./No,theyarent.n4)特殊疑问句及回答:特殊疑问词+be(am/is/are)+主语+doing+其他成分Whatareyoudoing?Weareplaying(要求就提问内容具体回答).现在进行时n句型转换n按要求改写句子n1.Theboyisplayingbasketball.n否定句：_n一般疑问句：_n肯定回答：_n否定回答：_现在进行时n2.Theyaresingingintheclassroom.n否定句：_n一般疑问句：_n肯定回答：_n否定回答：_对“aresinging“提问：_对”intheclassroom“提问：_现在进行时n口诀：加-ing有规律，一般加上没问题。词尾如有哑音e,去e再加-ing。“辅音重读闭音节”，末尾字母要双写。开始上课请坐（sit）好，忘掉游泳(swim)，忘掉跑(run)，让(let)我把书本摆放(put)好，认真听讲，获得(get)知识无价宝。现在进行时n口诀主语放在句首，am,is,are紧随其后。现在分词跟着走，其它成分不能丢。表示动作正进行，Look!Listen!now做标记。一般疑问这样变，把be提到主语前。否定句式也简单，be后再把not添现在进行时n1.Whatareyoudoing?I_.nA.eatB.caneatC.eatingD.ameatingn2.Weare_booksnow.nA.readingB.amreadingC.readD.toreadn3.Ourteacheris_aredsweater.nA.puttingonB.putonC.wearsD.wearn4.Thatboyisnt_theteacher.nA.listenB.listensC.listeningD.listeningto现在进行时n5.Itseightoclock.Jimmysparents_TV.A.iswatchingB.arewatchingC.watchD.towatchn6.Mymotheris_acake_mybirthday.A.making;toB.making;forC.doing;toD.doing;forn7.Theyare_thesebooksinthebox.A.putsB.putC.toputD.puttingn8._you_thewindow?-Yes,Iam.A.Do,cleanB.Is,cleaningC.Are,cleaningD.Do,cleaning现在进行时n1.Whatareyou_(do)now?I_(eat)bread.n2.Itsnineoclock.Myfather_(work)intheoffice.n3.Look,theboy_(put)therubbishintothebin.n4._he_(clean)theclassroom?No,heisnt.He_(play).n5.WhereisMike?He_(run)onthegrass.n6.Listen,who_(sing)inthemusicroom?现在进行时n1.she,thewindow,open,now.(用现在进行时连词成句.)n_n2.Thebirdsaresinginginthetree.(就划线部分提问)n_n3.is,who,thewindow,cleaning?(连词成句)n_n4.Thechildrenareplayinggamesnearthehouse.(就划线部分提问)n_现在进行时n5.Sheisclosingthedoornow.(改成否定句)_n6.Youaredoingyourhomework.(用”I“作主语改写句子)_7.they,thetree,sing,now,under.(用现在进行时连词成句.)_8.TheYoungPioneersarehelpingtheoldwoman.(改成一般疑问句)_