Diana has to write a story about a school event. What type of essay will she write?

The type of essay that Dana should write in order to tell the story about the school event is narrative. ... This type of essay is experimental, telling the details of certain events, allowing the writer to express the ideas creatively.

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.

what are you