小学英语时态之现在进行时PPT课件

-,1,小学英语时态之现在进行时,-,2,四种时态,现在进行时一般现在时过去时将来时,-,3,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。,-,4,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are动词ing的变化规律：1）直接加ing，如：open-opening,clean-cleaning,meet-meeting,sing-singing,study-studying,-,5,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,-,6,现在进行时,study_make_swim_Stop_come_close_Have_run_drive_Wash_beginwatch_Taketalkput,-,7,现在进行时,标记listen！.look!.now.atthemoment.atpresent.,-,8,现在进行时,1MrZheng(read)abooknow.2.Therabbits(jump)now.3.Look!TomandJohn(swim).4.Mybrother(make)akiteinhisroomnow.5.Look!Thebus(stop).6.We(have)anEnglishclassnow.,-,9,现在进行时,7.Listen!Someoneis(come).8.They(catch)butterfliesnow.9.He(do)anexperimentnow.10.They(collect)stampsnow.11.Look!He(dive)now.12.Tom(watch)TVinthediningroom.,-,10,现在进行时,1)现在进行时的肯定形式：主语+be(am/is/are)+doing+其他成分Iamsinging.Theyarewriting.2)现在进行时的否定形式:主语+be(am/is/are)+not+doing+其他成分Iamnotsinging.Theyarentwriting.,-,11,现在进行时,3）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.4)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).,-,12,现在进行时,句型转换按要求改写句子1.Theboyisplayingbasketball.否定句：_一般疑问句：_肯定回答：_否定回答：_,-,13,现在进行时,2.Theyaresingingintheclassroom.否定句：_一般疑问句：_肯定回答：_否定回答：_对“aresinging“提问：_对”intheclassroom“提问：_,-,14,现在进行时,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。,-,15,现在进行时,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,-,16,现在进行时,1.Whatareyoudoing?I_.A.eatB.caneatC.eatingD.ameating2.Weare_booksnow.A.readingB.amreadingC.readD.toread3.Ourteacheris_aredsweater.A.puttingonB.putonC.wearsD.wear4.Thatboyisnt_theteacher.A.listenB.listensC.listeningD.listeningto,-,17,现在进行时,5.Itseightoclock.Jimmysparents_TV.A.iswatchingB.arewatchingC.watchD.towatch6.Mymotheris_acake_mybirthday.A.making;toB.making;forC.doing;toD.doing;for7.Theyare_thesebooksinthebox.A.putsB.putC.toputD.putting8._you_thewindow?-Yes,Iam.A.Do,cleanB.Is,cleaningC.Are,cleaningD.Do,cleaning,-,18,现在进行时,1.Whatareyou_(do)now?I_(eat)bread.2.Itsnineoclock.Myfather_(work)intheoffice.3.Look,theboy_(put)therubbishintothebin.4._he_(clean)theclassroom?No,heisnt.He_(play).5.WhereisMike?He_(run)onthegrass.6.Listen,who_(sing)inthemusicroom?,-,19,现在进行时,1.she,thewindow,open,now.(用现在进行时连词成句.)_2.Thebirdsaresinginginthetree.(就划线部分提问)_3.is,who,thewindow,cleaning?(连词成句)_4.Thechildrenareplayinggamesnearthehouse.(就划线部分提问)_,-,20,现在进行时,5.Sheisclosingthedoornow.(改成否定句)_