Hi, I agree with all this. 1. Action in progress in the future The most common use of <will be doing> is describe actions which will be in progress in the near future. It is often used for visualizing a future activity already

Hello Clive (and Roro) again Yes you are right. To me, some part of <will be doing> looks like to overlap with some part of <is going to do> and that of <is doing>. My grammar book (Longman English Grammar, Alexander, L.G.)