| Person Singular Number | Plural Number |
| 1. I might, could, would, or should be | We might, could, would, or should be |
| 2. Thou mightst, couldst, wouldst, or shouldst be | You might, could, would, or should be |
| 3. He might, could, would, or should be | They might, could, would, or should be |
Present Perfect Tense
(May, can, or must, with the perfect infinitive, have been. For forms substitute have been for be in the present potential.)
Past Perfect Tense
(Might, could, would, or should, with the perfect infinitive have been. For forms substitute have been for be in the past potential.)
IMPERATIVE MODE[*]
[Footnote *: The imperative is the same in both singular and plural.]
Be
INFINITIVE MODE
| Present Tense | Present Perfect Tense |
| To be | To have been |