"Which" is the relative pronoun introducing the relative clause.
Identify the sentence with correct use of the participle phrase:
Which part of speech is "often"?
Identify the antonym for "ephemeral":
Identify the antonym for "loquacious":
What part of speech is "through" in "through the tunnel"?
Identify the antonym for "ubiquitous":
Choose the adverb in the sentence: "He reads slowly."
Identify the verb in the phrase: "They will play tomorrow."
Identify the sentence with correct use of the nonrestrictive clause:
What is the part of speech for "forgotten"?