'I will be doing something' (future continuous) = I will be in the middle of doing something. I'm going on holiday on Saturday. This time nex week I'll be lying on a beach or swimming in the sea. Compare will be (do) ing and will (do) Don't phone me between 7 and 8. We'll be having dinner then. Let's wait for Mary to arrive and then we'll have dinner. Compare will be -ing with other continuous f..