noun clause

Clause

A clause has a subject and a verb and functions as one part of speech.

Noun Clause

A noun clause (with a subject and verb) is a clause that plays the role of a noun. A noun clause is a dependent clause that acts as a noun.

It can be used as the [subject], [direct object], [indirect object], object of a preposition, subject complement, or appositive.

Noun clauses can begin with [relative pronouns] and certain [subordinating conjunctions].

Relative pronouns: who what where when why how that which Subordinating conjunctions: if whether

Open question about this topic.

How to use conjunctions with a noun clause?