现在进行时

1.概念：表示现阶段或说话时正在进行的动作及行为。

2.时间状语：Now, at this time, days, etc. look. listen

3.基本结构：主语+be +doing +其他

4.否定形式：主语+be +not +doing+其他

5.一般疑问句：把be动词放于句首。

6.例句： How are you feeling today?

            He is doing well in his lessons.