初学现在进行时讲解(教育精品).ppt
We are learning an English song.We are learning an English song.I am having an English class now.I am having an English class now.现在进行时现在进行时 一、概念（用法）一、概念（用法）1.表示现在（说话瞬间）正在进行或表示现在（说话瞬间）正在进行或发生的动作。发生的动作。如：如：He is watching TV now.现在他正在看电视。现在他正在看电视。2.还可以表示当前一段时间内的活动还可以表示当前一段时间内的活动或现阶段正在进行的动作。或现阶段正在进行的动作。如：如：Im reading a book this week.这一周我在看一本书。这一周我在看一本书。二、构成二、构成 动词现在分词 助动词be随人称变为 am,is,arebe+动词动词-ingHe eatisingnow.Heplay football isingnow.He do his homeworkisingnow.三三 现在分词的变化规则现在分词的变化规则一般在动词原形后+ingdoaskdoingasking以不发音的e结尾的，去e，+ingwritetakedancewritingtakingdancing重读闭音节重读闭音节结尾，末尾只有一个辅音字母的，双写这一字母，再+inggetrunswimputgettingrunningswimmingputting1.音节是读音的基本单位。一般来说，一个元音音素可构成一个音节，一个元音音素和一个或几个辅音音素结合也可以构成一个音节。如：congratulation祝贺kngrtulen2.音节按读音可以分为开音节和闭音节。1.闭音节闭音节：指元音字母后面有辅音字母（辅音字母r除外）构成的音节，如：leg,cross2.重读闭音节：重读闭音节：指在双音节或多音节词中有一个发音特别响亮的音节，叫重读音节，用重音符号“”标于相应位置，其他音节为非重读音节，如begin/bigin/;单音节词作重读处理，但不标重音符号，如：stop/stp/.askingdrawingsinginghavingseeing cleaningexercisingputtingaskdrawsinghaveseecleanexerciseput使用现在进行时的标志词使用现在进行时的标志词 当一句话中含有当一句话中含有：now，look，listen,at the moment等等 单词的时候，我们单词的时候，我们需要使用现在进行时。需要使用现在进行时。Listen!The bird is singing.they watch TVingnow.areLook,They cleanareingnow.We are having a class.We are having a class.We are having an English class.We are having an English class.What are we doing now?What are we doing now?What class are we having now?What class are we having now?现在进行时现在进行时四、三种句式四、三种句式1.肯定句：主语肯定句：主语+be+动词动词ing+其他。其他。2.疑问句：疑问句：Be+主语主语+动词动词ing+其他？其他？Yes,主语主语+be。/No,主语主语+be+not。3.否定句：主语否定句：主语+be+not+动词动词ing+其他。其他。Is he doing his homework?Yes,he is.Is he listening to the teacher?No,he isnt.He is sleeping.Are they eating hamburgers?No,they arent.They are eating apples.Is she taking a shower?No,she isnt.She is washing the dishes.Lets play a game:It/he/she is+v-ing.They are+v-ing.She is not making breakfast.She is washing the dishes.What is she doing?What are they doing?They are playing basketball.They are not playing soccer.They are dancing.What are they doing now?What is the dog doing?It is eating.Whats she doing?Is she eating?Yes,she is.She is running.No,she isnt.Is she running?Is she jumping（跳）?No,she isnt.What is the girl doing?Is she doing her homework?Oh,she is eating.No,she isnt.Is she drawing?No,she isnt.Are they watching TV?What are they doing?No,they arent.Are they playing the drums?Yes,they are.练一练用括号中动词的适当形式填空：1.Myparents_（watch）TVnow.2.Look.Threeboys_（run）.3.What_yourmother_（do）now?4._yourdog_now?（sleep）5.-_you_（listen）tomusic?-Yes,Iam.arewatchingarerunningisdoingIssleepingArelistening选择填空：（）1.Who_intheroomnow?A.singingB.singC.issinging（2.Itsnineten.They_amusicclass.A.haveB.havingC.arehaving（）3.Listen!Theboy_.A.cryingB.iscryingC.cries（）4.Donttalkhere.Grandparents_.A.sleepB.issleepingC.aresleeping（）5.Istheman_milk?A.drinksB.drinkC.drinking
