e (am, is, are) +V-ing 为现在进行时. 现在进行时：表示此时此刻正在进行的动作. 句形：主语+am/is/ are + V-ing 否定句：主语+am/is/ are +not + V-ing 疑问句：Am/is/are +主语+V-ing 特殊疑问句：特殊疑问词(what, when, where...) +be+ V-ing I'm watching TV. I'm not watching TV. Are you watching TV? What are doing? 有的时候也有进行时的句式来表示将来时. I'm coming 我来了.
