___
___ :-oy form
Present of indicative "-oy" ending.
A few very common verbs have the first person singular of the Present of Indicative ending with a distinctive "-oy".
Here is a list of those verbs.
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dar to give
_pridoy, das, da, damos, dais, dan
estar to be
_priestoy, estás, está, estamos, estáis, están
ir to go
_privoy, vas, va, vamos, vais, van
ser to be (auxiliary)
_prisoy, eres, es, somos, sois, son