What is the adverb phrase in "have you ever hammered a nail into a piece of wood? "

The adverbial phrase is " into a piece of wood"

Explanation:

An adverbial phrase is a group of words that work together as an adverb they are giving the same kind of information and they have the same categories such as place, time, manner, etc... this is an adverbial phrase of place as it is explaining where the nail is being hammered, the expression means the same if an adverb is used instead, for example: Have you ever hammered a nail "there".

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.