Can (thou) "beest" and (thou) "art" be used interchangeably?

1 Answer
Sep 20, 2016

Generally "thou beest" and "thou art" are interchangeable, but see note below.

Explanation:

"beest" should be used when the subjunctive mood is to be indicated.

For example:

If thou beest my friend, then need I naught for enemies.