Future continuous

((+)) Subject + WILL + BE + present participle (verb + ING) + objects --> At eight o'clock tonight she will be watching TV. // At eight o'clok tonight she'll be watching TV.

((-)) Subject + WILL + NOT + BE + present participle (verb + ING) + objects  --> At eight o'clock tonight she won't be watching TV. 

    (won't)        

((?)) WILL + subject + BE + present participle (verb + ING) + objects + ?  --> Will she be watching TV at eight o'clock tonight?

We use it to describe actions that:

• will be in progress at a specific time in the future --> At three o'clok she'll be playing football.

• will continue over a specific period of time in the future  --> We'll be dancing at the club all evening.