In the sentence: ‘Emerging from the bus station, the
man looked lost.’ The predicate adjective is letter B: lost. The subject here
is ‘the man’.
A
sentence basically has a subject, the object of the sentence or doer of the
action and predicate, the verb, the adjective, etc. An adjective describes
and modifies the noun. It could be used as attributive or predicative.
Attributive adjective is included in the in the noun phrase it modifies while
predicative adjective is not included in the noun phrase it modifies.
Subject complements are any noun, adjective, pronoun that proceeds after a
linking or helping verb (am, is, are, was, were, has been, are being, might
have been, etc.], be, become, and seem. They are also called true linking
verbs.
