In "the convict and the bishop," how is the bishop different from the innkeeper and the tavern-keeper?
a.
he is kind, charitable, and accepting.
b.
he is wealthy, independent, and funny.
c.
he is tall, strong, and well-protected.
d.
he is young, innocent, and naïve.

every four years the american people choose a new president, and 1988 is one of those years."

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.