What does Higgins claim he could do by changing Eliza in Pygmalion?

Higgins
in a professor of linguistics and the creator of a universal alphabet. He has spent his life
studying dialects. Prior to engaging with Eliza, he has been taking notes in a crowd, recording
their geographical background by means of their pronunciation. On a bet, he says he could take
Eliza's low class Cockney flower girl and pass her off as a Duchess among the upper classes. The
fun of this very fun play is to see the transformation and the big test, in which Eliza, in
fact, does convince even the most discerning among the upper classes that she is
well-bred.

Shaw wrote plays to satirize his contemporaries, and
satirizes prejudice regarding language. In England, class created a
seemingly insurmountable economic and social barrier. Even today, people alter theiror accent to
seem more "posh," and the Upper Received Pronunciation (formally called The King's
English) that others associate with "proper English" was a largely invented accent.
Shaw was interested in the...