estiverem

third-person plural future subjunctive of estar

Nşh

(intransitive) to be (indicates location in space)
(copulative) to be (denotes a transient quality; a quality expected to change)
(auxiliary) to be; forms the progressive aspect
(intransitive) to cost (to be worth a certain amount of money), especially of something whose price changes often
(copulative) to look, to appear (to give an appearance of being)
to stand