An adverb clause is a dependent clause (subordinate conjunction+subject+verb) that functions as an adverb, answering how?, when?, where? or why?
Within this list, there are two sentences that contain an adverb clause:
- Darla set up a studio because she enjoyed painting - Adverb of reason.
- As Aron was having a midnight snack, he heard a loud noise coming from the basement - Adverb of time.