1、Unit 5 Whose dog is itPart B第二课时climbing(climb的ing形式)(正在)攀登；攀爬eating(eat的ing形式)(正在)吃playing(play的ing形式)(正在)玩耍jumping(jump的ing形式)(正在)跳drinking(drink的ing形式)(正在)喝(水)sleeping(sleep的ing形式)(正在)睡觉动词ing形式的构成规则1一般情况下，在动词末尾直接加ing。如：gogoingtalktalkinglistenlistening2以不发音的字母e结尾的动词，先去掉e，再加ing。如：comecomingmakemak
2、inghavehaving3以单个辅音字母结尾的重读闭音节动词，先双写末尾的辅音字母，再加ing。如：sitsittinggetgettingstopstopping4以ie结尾的动词，变ie为y，再加ing。如：diedyinglielyingtietying,01基础过关一、写出下列动词的ing形式。1look_2.listen_ 3run_ 4.fly_二、看图片，用动词的ing形式写出小动物们正在做的事。1.2.3._ _ _4. 5. 6._ _ _三、单项选择。( )1._ are you doing?I _ eating dinner.AWhat；amBWhy；amCWhere；are( )2.Is he drinking water?_AYes，he isnt. BYes，it is. CYes，he is.( )3.Are these girls reading?_ They are listening to music.AYes，they are. BNo，they arent.CNo，it isnt.,02能力提升四、按照例句，仿写句子。例句：Is this cat sleeping?Yes，it is.1_2_
