Question

_Identify the main clause in the sentence below. Then decide if the subordinate clause is used as noun, adjective, or adverb.

Chris's chief interest was tennis, which he was just learning to play.

Main clause:
which he was just learning to play
Chris's chief interest was tennis
he was just learning to play

Subordinate clause type:
adjective
adverb
noun

Answer 1

he was just learning to play- adjective

Answer 2

Main clause: Chris's chief interest was tennis.
This means that the subordinate clause (the one which cannot stand on its own) is which he was just learning to play.
The whole subordinate clause is used as an adjective: What kind of tennis? Which he was just learning to play.