Will Be Doing Tense?

Use 'will be -ing' to talk about something that will be happening at a particular time in the future. Will be + 'ing' is the future continuous tense. This time tomorrow, we'll be flying to Australia.

Will do VS will be doing?

Usually, "will do" type sentences simply give information -> I will study XX next year. "Will be doing" type sentences insist more on the process and are often accompanied by a comment -> I will be studying XX next year, so I won't be able to ...

In which tense we use will be?

The most basic and common form used to express the future is 'will'. The structure of 'will' is easy because it is the same for all subjects and you don't need to change anything about the verb. We'll be at the hotel until 8pm.