---What are you doing? ---I’m writing a letter to my friend now. She is working in a company this year. This week, Mr. Wang is writing a new play for children. You are always changing your mind. He is constantly thinking of others instead of himself. 4.表示位置移动的词如arrive, come, drive, fly, go, leave, start, travel用进行时表将来; He is coming to see you next month. He is starting the work in a few minutes. 5. stay, spend, do, have,表示计划好的事情，可用进行时表将来（跟时间状语）。 Are you staying in Chengdu for a week? My daughter is spending her night with her friends tonight.

1.说话时正在进行的动作；

2. 现阶段进行的动作或者存在的状态，说话时不一定进行；

3. 现在进行时常与 always, forever, constantly, continually, simply 等副词连用表达赞美，批评等感情。