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.