The Future Perfect Progressive tense in Afrikaans grammar, also known as the Future Perfect Continuous tense, is used to describe an ongoing action that will be completed at a specific time in the future. This tense indicates that a future action will have been in progress for a certain amount of time before another event takes place. In Afrikaans, this tense can be formed using the auxiliary verb “sal,” along with “gewees wees” and the verb in its continuous form.