Are we just supposed to read it or is there supposed to be a question?
Then leaf subsides to leaf.
So Eden sank to grief,
So dawn goes down to day
Answer: The correct answer is "was not known" because the word knew is past tense
Explanation:
Singular definition. In nouns, pronouns, and verbs, the grammatical form that refers to only one thing. In the following sentence, the singular words are italicized: “The police officer stops anyone who crosses before the light changes.” (from google)
Its a modifying word, phrase or cause following a noun... Hope that helped :)