0 in the past, the second person singular form of the present tense of "have":
thou hast (= you have)
One explanation is that some students - who fail the kunkur take it until they pass-a practice commonly referred to as "staying - behind the test" (pusht-i kunkur hast).
Thou little knowest the mischief thou hast done.
Verily thou shalt not come out of thence till thou hast paid the uttermost farthing.
I took thee to curse mine enemies and, behold, thou hast blessed them altogether.
Thou hast spoken enough tonight, dear boy.
Many roads thou hast fashioned.
Hast ta geet a fiver tha con lend me?
When thou hast said all this, fling it away to him with thy back turned, and deliver it not to him face to face.