Originally Posted by ET Warrior
While technically a word, you've still used it in a grammatically unacceptable way. You may use boughten as an adjective, to describe something that had been bought. So, had you said, "I've got my boughten ticket" You would be ok. However, it is not a verb, and you get an F.
Actually, you fail.
bought·en (bôt'n) pronunciation Chiefly Northern U.S.
A past participle of buy.
Subsequently, "boughten" is a correct word both in spelling and in grammar. Therefore, I denounce your claims to the throne of the grammar nazi and hereby declare you a participle jew!