I'm taking the day off on Friday – I ______ be working.

We generally use by/in with the future continuous and by/in with the future perfect.

Please, come at 8. By that time, I ______ my homework and we can go out. [ 'll be finishing ] [ 'll have finished ]

We'll have _____________ a bit of Korean by the time you come to Seoul.

Julie _____________ (not work) this time next week. She'll be on holiday!

I'm sure when you call him, he _______ TV. He's always in front of the TV! [ 'll be watching ] [ 'll have watched ]

We form future continuous with - will + be + present/past participle.

We'll have _____________ a bit of Korean by the time you come to Seoul. We're starting classes next week.

I don't think I __________ my homework in time for the lesson. [ will have finished ] [ will be finishing ]

I'm only halfway through my homework. I __________ (not finish) it before the teacher arrives.

We form the future perfect with - will + have + present/past participle.

In less than 2 years, my grandparents _______ for 50 years. We are going to celebrate it. [ will have been married ] [ will be getting married ]

Come and find me when the film finishes. I'll be _______ a coffee in the bar next door.