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) ...

This article attempts to account for the distribution of Icelandic adjectival inflection in a manner that also captures a problematic case that has not been satisfactorily analyzed in the literature.

Simon Horobin does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...