现在分词的构成以及现在进.ppt

七年级英语下册七年级英语下册Unit5ImwatchingTV刘桂华刘桂华Uint 5What are you doing?Im watching TV.句型句型：Whatre they doing?They are.What is he/she doing?He/She is.Whats he doing?Hes.Whats=What isHes=He isdoing homeworkdodoing Whats she doing?She isWhats=What istalking on the phonetalktalkingWhatre they doing?TheyreWhatre=What areTheyre=They areCleaningcleancleaningWhats he doing?He is Whats=What isrunningrunrunningWhats he doing?HesWhats=What isHes=He isswimmingswimswimmingWhat is she doing?She isskateskatingWhat is he doing?He issmilesmilingIs he?Yes,he is/No,he isnt.Yes,he is/No,he isnt.isnt=is notisnt=is notplaying baskateballplayplayingIs he?Yes,he is./No,he isntisnt=is notdancingdancedancingwatchingTVdoinghomeworktalkingonthephonecleaningplayingbasketballreadingdrawinglisteningsingingspeakingrunrunningswimswimmingsmilesmilingskateskatingdancedancingwritewriting动词动词-ing形式的构成形式的构成规则动词原形现在分词一般情况直接加-ingBuy,play,watchBuying,finding,watching以不发音的e为结尾的动词去掉e再加ingDance,use,writeDancing,using,writing以重读闭音节结尾，末尾只有一个辅音字母的动词，要双写辅音字母再加ingRun,swim,putRunning,swimming,putting少数以ie为结尾的动词，先变ie为y,再加ingDie，tieDying,tying以oe,ee,ye结尾的动词，直接加ingSee，agreeSeeing,agreeing现在分词的构成原则现在分词的构成原则ConsolidationFill in the blank.1.Look!They _(play)baskateball over there!2.Listen！Who _(sing)in the room?3.Its 6 pm.The Greens_(have)breakfast.4.What_you _(do)now?-I _（do）my homework.5.Is Marry_(write)a letter now?-Yes,she is.is playingis singingare havingaredoingam doingwritingUnit 5 Im watching TV 现在进行时现在进行时现在进行时现在进行时构成构成Is(am are）+现在分词（动词-ing）功能功能1.谈论人们正在做的事情或正在发生的动作。2.现场报道正在发生的事。现在进行时的现在进行时的用法用法1.现在进行时的用法A:Whatareyoudoing?B:ImwatchingTV.A:Whatshedoing?B:Hesdoinghomework.A:Whatsshedoing?B:Shesreading.Ask and answer句型：句型：Are you doing?Yes,I am./No,Im not.Is he/she doing?Yes,he is./No,he isnt.Are they doing?Yes,they are./No,they arent.Guess!What are they doing?OdieGarfield