I am watching TV,What is the girl doing,She is watching TV,What is she doing,She is cleaning,What is he doing? He is reading a newspaper,What are they doing,They are talking on the phone,What are they doing,They are listening to music,1. 用法：表示现在（说话时）正在进行或发生 的动作,be (am /is /are) + doing(动词-ing,2.构成,肯定句：主语 + be + doing. 否定句：主语 + be + not + doing. 一般疑问句：Be +主语+doing？ Yes,主语+be./No,主语+be + not. 特殊疑问句：疑问词+be+主语+doing,现在进行时,动词-ing形式的构成,talk watch do eat read clean play,talking,watching,doing,eating,re
