A copula is a verb that joins the subject of a sentence or clause to a subject complement. ???

In linguistics, a copula (plural: copulas or copulae; abbreviated cop) is a word or phrase that links the subject of a sentence to a subject complement, such as the word is in the sentence "The sky is blue" or the phrase was not being in the sentence "It was not being used."

Explanation:

hope it will help you

not sure but i think it’s the snug nest

following gollum to the back entrance