(Have, unchanged, with the past participle, been.)

1. (If) I have been(If) we have been
2. (If) thou have been(If) you have been
3. (If) he have been(If) they have been

Past Perfect Tense

(Had, unchanged, with the past participle, been.)

Person Singular NumberPlural Number
1. (If) I had been(If) we had been
2. (If) thou had been(If) you had been
3. (If) he had been(If) they had been

Future Tense

(Shall or will, unchanged, with present infinitive be.[*])

[Footnote *: See Note to Future Indicative.]

1. (If) I shall be(If) we shall be
2. (If) thou shall be(If) you shall be
3. (If) he shall be(If) they shall be

Future Perfect tense