Identify the word which the italicized adverb clause modifies.

Enrique will visit his cousin when school is out.

will visit

is

out

will visit

will visit

Explanation:

An adverb clause is a dependent clause that modifies a verb, adjective, or another adverb. It usually modifies the verb. And that's exactly what happens in this sentence, too.

The adverb clause of time when school is out modifies the verb will visit.