Periods are used to end: Statements, commands, and requests Statements and polite requests Statements, commands, indirect questions, and polite requests Which of the following is true when a noun precedes a gerund (a verb form used as a noun)? Both the noun and the gerund function as adjectives. You should use a possessive pronoun the possessive form of the noun. You should place a comma before the noun to avoid creating a run-on sentence.