adverbial clause



  edgood  —  Grammar Tips
First, a clause is a group of words with a conjugated verb in it. Second, an adverbial clause is a clause that modifies or describes a verb. Note these adverbial clauses:
He quit the race because he lost his energy. (Clause modifies quit.)

Though he was tired, he won the race. (Clause modifies won.)

© Grammar.com