The future perfect past tense is used to describe an action that will already be complete in the future before a definite time.
I won’t1 get home until 8pm now, by which time the film will have finished2.
All four conjugation form the future perfect tense in the same way and use the following endings.
confirmo, confirmare, confirmavi, confirmatum (1) to confirm.
|confirmavero||I will have confirmed|
|confirmaveris||you will have confirmed|
|confirmaverit||he/she/it will have confirmed|
|confirmaverimus||we will have confirmed|
|confirmaveritis||you will have confirmed|
|confirmaverint||they will have confirmed|
Future perfect tense of sum, esse, fui, -, ‘to be’
|fuero||I will have been|
|fueris||you will have been|
|fuerit||he/she/it will have been|
|fuerimus||we will have been|
|fueritis||you will have been|
|fuerint||they will have been|