Future perfect continuous tense
FUTURE PERFECT CONTINUOUS
Future Perfect Continuous: Form
This form is composed of two elements: the future perfect of the verb to be (will have been) + the present participle of the main verb (base+ing):
| Subject | will have been | base+ing |
| We | will have been | living |
| Affirmative | ||
|
I |
will have been |
working |
| Negative | ||
|
I |
won't have been |
working |
| Interrogative | ||
|
Will |
I have been |
working? |
| Interrogative negative | ||
|
Won't |
I have been |
working? |
Example: to live, Future Perfect Continuous
| Affirmative | Negative | Interrogative |
|
I'll have been living |
I won't have been living |
Will I have been living? |
|
You'll have been living |
You won't have been living |
Will you have been living? |
|
He'll have been living |
He won't have been living |
Will she have been living? |
|
We'll have been living |
We won't have been living |
Will we have been living? |
|
You'll have been living |
You won't have been living |
Will you have been living? |
|
They'll have been living |
They won't have been living |
Will they have been living? |
Future Perfect Continuous: Function
Like the future perfect simple, this form is used to project ourselves forward in time and to look back. It refers to events or actions in a time between now and some future time, that may be unfinished.
Examples:
- I will have been waiting here for three hours by six o'clock.
- By 2001 I will have been living here for sixteen years.
- By the time I finish this course, I will have been learning English for twenty years.
- Next year I will have been working here for four years.