Noun clauses are used as nouns in sentences. In their functions as nouns, they can serve as the subject and object in the sentence. The noun clause in the sentence provided functions as the;
The subject in a sentence carries out the action indicated by the main verb.
In the sentence given, the noun clause, "Whoever doesn't have a car," performs the action of having to ride to the theater. S
o, we can see that in this position, the noun clause performs the action of the subject.
Learn more here:
https://brainly.com/question/1453511
