“The Gift of the Magi” What gifts do they buy each other and how does each get the money to buy the other a gift.

Della sells her beautiful, beloved hair, that falls past her knees, to get money for Jim's gift. She uses the money to buy Jim an expensive watch chain for his beloved watch. Jim sells his cherished watch to buy an expensive comb and brush set for Della's beautiful hair.

the answer is:

when will (v) the books (n) be (v) due?

nouns refer to people (other than pronouns), places and things, whereas verbs describe actions and are usually part of the predicate of a sentence. finally, pronouns can work as nouns and identify the participants in speech.

in the example sentence, "will" is a verb part or auxiliary verb, "be" is an infinitive verb and "books" is a plural noun.