Billy, he has not been the same since Charley's death-he is so Ashame of Charley.
"The Right of Way, Volume 5."
Gilbert Parker
169. "It would be Ashame, if your mind should falter and give in."
"The Grammar of English Grammars"
Goold Brown
So in the phrase, "I am Ashamed to beg," we seem to have a passive verb of this sort; but, the verb to Ashame being now obsolete, Ashamed is commonly reckoned an adjective.
"The Grammar of English Grammars"
Goold Brown