1. Introduction
The future perfect continuous tense describes a continued action at some point in the future, 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 | + present participle |
---|---|---|
He | will have been | working. |
I | will have been | working. |
2. Explanation
The future perfect:
- has the form will + have + been + verb-ing.
For example: He will have been travelling for six months by the time he goes to Spain. - describes continued actions that are continuing at a specific point in the future.
For example: We should hurry because Barbara will have been waiting for us for ten minutes already. - uses “not” in negative form.
For example: We’re early, so Barbara will not have been waiting for us yet.