Happy is the main lexical predicate here. It takes one argument: an experiencer--John. Tall takes one argument: a theme: Mary. (12) *John is being tall. (13) *Mary is being fond of red roses. (14) ...
Unlikely as it sounds, the topic of adjective use has gone “viral”. The furore centres on the claim, taken from Mark Forsyth’s book The Elements of Eloquence, that adjectives appearing before a noun ...