The clause "until my room was cleaned" is an adverb clause, which begins with an adverb (until) acting as a conjunction.
adverb clause
An 'adverb clause' is a subordinate clause that modifies a verb, an adjective, or another adverb. It tells when, where, how, to what extent or under what conditions.
When he was young ... - as in When he was young he did some very foolish things - is an adverb clause of time.
Adverb Clause
very is an adverb (technically an adverb clause = adverb+adjective) in this sentence, excited is an adjective that's being modified by the word very.
An adjective clause is the group of words that contain the subject and the verb acting as an adjective. An adverb clause answers questions like how, when and where.
adjective
adverb clause
adjective
It is an adverb clause. It will say "when" an activity may take place.
An 'adverb clause' is a subordinate clause that modifies a verb, an adjective, or another adverb. It tells when, where, how, to what extent or under what conditions.
adverb
adverb
It modifies a verb, adjective, or an adverb.
adjective
It is an adjective clause as in "(someone) who can cook."
adjective