The future continuous tense, also known as the future progressive tense, is used to describe actions or events that will be happening at a specific time in the future. It is formed using the auxiliary verb will followed by the present participle of the main verb (which is typically formed by adding -ing to the base form of the verb).

I will be eating breakfast at 7:00 AM. (The speaker will be in the process of eating breakfast at 7:00 AM in the future.)

She will be writing a letter at 3:00 PM. (The speaker will be in the process of writing a letter at 3:00 PM in the future.)

Here are some more examples of sentences in the future continuous tense:

They will be having a party when we arrive.
We will be watching a movie when the power goes out.
He will be studying for his exams when I call him.
I will be waiting for the bus when it starts raining.

#1. The Future Continuous is formed by means of the Future Indefinite of the auxiliary verb to be and Participle I of the notional verb.

#2. In the interrogative form, the first auxiliary verb is placed before the subject. And in the negative form, the negative particle not is placed after the first auxiliary verb.

#3. The contracted affirmative forms are:

I’ll be reading

He’ll be reading

The contracted negative forms are:

I shan’t be reading

He won’t be reading

#4. The negative-interrogative forms are:

Shall I not be reading?

Shan’t I be reading?

Will he not be-reading?

Won’t he be reading?

The future continuous tense is often used to describe ongoing actions or events that will be happening at a specific time in the future. It can also be used to describe temporary actions or events that will be in progress at a specific time in the future.

#1. The Future Continuous is used to denote an action that will be going on at a definite moment in the future.

I wonder whether we shall ever arrive at a decision. I am sure the next time you call we shall still be wavering. (Collins)

 The definite moment is indicated either by another future action expressed by a verb in the Present Indefinite or by an adverbial phrase.

I shall already be working when you return. At 12 o’clock I shall still be working.

The definite moment is often not expressed but is understood from the situation.

I am sure you won’t be able to speak to him, he will be working.

#2. The Future Continuous can have a modal coloring: it can denote an action that is sure to take place, often independently of the will of the speaker and the doer of the action.

I feel I shall be asking you the same question tomorrow.

But my dear Ann Veronica, you will be getting into debt. (Wells)