The FUTURE PERFECT PROGRESSIVE TENSE indicates a continuous action that will be completed at some point in the future. This tense is formed with the modal "WILL" plus the modal "HAVE" plus "BEEN" plus the present participle of the verb (with an -ing ending): "Next Thursday, I will have been working on this project for three years."
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| Singular | Plural |
| I will have been walking | we will have been walking |
| you will have been walking | you will have been walking |
| he/she/it will have been walking | they will have been walking |
| Singular | Plural |
| I will have been sleeping | we will have been sleeping |
| you will have been sleeping | you will have been sleeping |
| he/she/it will have been sleeping | they will have been sleeping |
| Singular | Plural |
| There is no future perfect progressive for the "to
be" verb. "Will have been being" is expressed simply as
"will have been": "By this time next year we will have
been | |