小学英语语法之现在进行时ppt课件.pptx

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1、现在进行时,By Jessica,What is Ali doing?,He is walking.,He is reading a book.,He is dancing.,He is flying a kite.,What are they doing?,They are playing basketball.,They are running.,现在进行时的含义与构成,含义：表示此时此刻或一段时间内正在进行的动作或发生的事情He is reading a book. 他正在看书。She is teaching at a school. 她在一所学校教书。标志性词语：nowLook!Lis

2、ten!at presentat the moment构成：主语+be（am, is, are）+doing（现在分词）,构成：主语 + be+ doing,Tom is doing his homework. 第一人称+am+doing 第二人称+are+doing 第三人称+is+doing Im/Youre/Hes /Shes /Were/Theyre working. 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。,现在分词的变化规律,1）直接加-ing如：openopeningcleancleaningsingsinging studystudy

3、ingworkworking 2）以不发音字母e结尾，去e加-ing 如：comecominglivelivingtaketaking makemaking dancedancing closeclosingdrivedrivingwritewritinguseusing 但是seeseeing以ie结尾：lielyingdiedying,现在分词的变化规律,3）以重读闭音节结尾，双写最后一个辅音字母加-ing 如：sitsittingrunrunningputputtinggetgettingbeginbeginning swimswimming shopshoppingstopstoppi

4、ngExercise：P47 二,Game Time,时间：now, at present, at the moment地点 人物 事件,现在进行时的句式,肯定句：She is watching TV.否定句： She is not watching TV.一般疑问句：Is she watching TV?特殊疑问句：What is she doing?Who is watching TV?,Exercises：,John is playing football now.变为否定句： 变为一般疑问句：根据画线部分提问：They are waiting for the bus.变为否定句： 变为一般疑问句：根据画线部分提问：,Thank You!,