Anoun clause is a subordinate clause that is used as a noun. a noun clause may be used as a subject, a direct object, an object of a preposition, or a predicate nominative. a noun clause usually begins with one of these words: how, that, what, whatever, when, where, which, whichever, who, whom, whoever, whose, why. which sentence contains a noun clause? a) rosie grew taller than her older sister. b) whenever we ice skate, we put on our mittens. c) the crowd roared as the team ran onto the field. d) the teacher predicted how the chemicals might react.