What is the function of the adverb clause in the sentence? Once they realized their mistake, the construction workers removed th
e orange cones from the wrong side of the street. It answers the question how, and modifies the noun street.
It answers the question when and modifies the verb removed.
It is a dependent clause that acts as an adjective. It is a dependent clause that acts as a noun.
A dependent clause is a group of words with a subject and a verb, it does not express a complete thought so it cannot stand alone. the reason why it is a noun is because it is using the word orange cones to help the verb pop out or something.