The future continuous tense is made up of the simple future tense of the verb to be (shall/will be) + a present participle (verb + -ing).
will + present participle: We will be doing our homework.
We use the future continuous tense:
For an action that lasts a period of time in the future.
I will be working all day tomorrow.
For an action that has been planned.
They will be visiting their grandparents this summer.
To express an action that will be in progress at a certain or specified time in the future.
We will/shall be watching TV by the time you get home.
This time next week, I shall/will be sitting on a plane. Will they be coming at 6 p.m. tomorrow?
For an action which will happen as a matter of routine or as scheduled (without intention).
You will be working with Abigail and Michael when you do project work again.
The London train will be departing from platform 5 at 9.30 a.m.