Future Perfect Continuous

1. Use of the Future Perfect Continuous

We use the future perfect continuous to say that will begin and will be happening at a certain point in the future. The continuous emphasises the duration, rather than the action

2. Form

will + have + been + infinitive + ing

3. Example

I will have been working here for 5 years in January.

4. Diagram to show usage of the Future Perfect Continuous

The emphasis is on the duration, not the action.