estais

second-person plural present indicative of estar

(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
(copulative) to look, to appear (to give an appearance of being)
(intransitive) to cost (to be worth a certain amount of money), especially of something whose price changes often
to stand
(Brazil, intransitive) to possess, have, or have in possession