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：go－goingtalk－talkinglisten－listening2．以不发音的字母e结尾的动词，先去掉e，再加－ing如：come－comingmake－makinghave－having3．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：sit－sittingget－gettingstop－stopping4．以ie结尾的动词，变ie为y，再加－ing如：die－dyinglie－lyingtie－tying, 01 基础过关一、写出下列动词的－ing形式1．look－________ 2.listen－________ 3．run－________ 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.A．What；am B．Why；am C．Where；are( )2.—Is he drinking water?—________A．Yes，he isn't. B．Yes，it is. C．Yes，he is.( )3.—Are these girls reading?—________ They are listening to music.A．Yes，they are. B．No，they aren't.C．No，it isn't., 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．—____________________—____________________ 。
