A sentence using a noun clause to perform the function of predicate noun is "Love is that which makes us smile," as further explained below.
As the name suggests, a predicate noun is simply a noun or noun phrase that functions as the predicate in a sentence. A predicate's function is to provide information about the subject.
A noun clause is a type of dependent clause that can function as a noun in a sentence. It is set off by a relative pronoun, such as "which" or "that".
Here, we must write a noun clause so that it functions as a predicate noun. A possibility is: "Love is that which makes us smile." The noun clause is "that which makes us smile."
Learn more about noun clauses here:
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