1.概念：表示现阶段或说话时正在进行的动作及行为。
2.right now, while,now, these days at the moment等词语.现在进行时一般可以从句中找到时间标志词，就必须用现在进行时态来表示。
3.基本结构：am/is/are+doing
4.否定形式：am/is/are+not+doing.
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
les
sons.
温馨提示：答案为网友推荐，仅供参考