1)概念：表示将来某时进行的状态或动作，或按预测将来会发生的事情。
She'll be coming soon.
I'll be meeting him sometime in the future.
注意：将来进行时不用于表示"意志"，不能说 I'll be having a talk with her.
2）常用的时间状语
Soon, tomorrow, this evening，on Sunday, by this time，tomorrow, in two days, tomorrow evening
By this time tomorrow, I'll be lying on the beach.
