Yes -- future perfect tense. Right.

=)

Is this verb tense correct?
As of December 1, Ira and Sandy will have been going together for three years.

As of December 1, Ira and Sandy will have been going together for three years.

As of December 1, Ira and Sandy will have been going together for three years.

Does anybody knows if this has a verb tense issue.

As of December 1st, Ira and Sandy will have been going together for three years.

Yes, the verb tense "will have been going" in the sentence "As of December 1, Ira and Sandy will have been going together for three years" is correctly using the future perfect tense.

To confirm this, let's break down the verb tense and understand its structure:

1. Future Tense: "will" - This indicates that the action will occur in the future.

2. Perfect Aspect: "have been" - This shows that the action has already started in the past and will continue up until the specified time in the future.

3. Present Participle: "going" - This is the main verb "go" in its present participle form, indicating an ongoing action.

In summary, the future perfect tense is used to express an action that will be completed by a certain point in the future. In the sentence given, it indicates that by December 1, Ira and Sandy will have completed three years of going together as a couple.

Regarding the question, "Does anybody knows if this has a verb tense issue?" The sentence itself does not have any verb tense issues. It is grammatically correct.