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 kunkurhast).
From theCambridge English Corpus
Thou little knowest the mischief thouhastdone.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
I took thee to curse mine enemies and, behold, thouhastblessed them altogether.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Thouhastspoken enough tonight, dear boy.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Many roads thouhastfashioned.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Hastta geet a fiver tha con lend me?
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
When thouhastsaid all this, fling it away to him with thy back turned, and deliver it not to him face to face.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Thouhastbroken the bonds of trust with thy kindred.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Thou art my sister's son and thouhastin thy power my brother.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
However, following a secondary analogy (similar to "hast" exists "hastan" to exist) a negative pseudo-verb "nstan" (not to be) was invented.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Hastthou borne such children as she did?
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
There is no life for those who do not adore, and to a man thouhastnot.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Then let me die, for now thouhastno cause.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
When ambitious desires arise in thy heart, recall the days of extremity thouhastpassed through.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
So, implicitly, "ast" (is-ness) appears as momken-al-wujud (contingent being), and "hast" (existence) as wjeb-al-wujud (necessary being).
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.