Each of the following is an example of different modes of communication except

Modes of communication refer to the routes used in passing messages to recipients. That which is not an example of the different modes of communication is;

Oral and written communication requires the use of verbal communication and text respectively in conveying information to recipients.

Auditory communication occurs through sounds. Non-written communication is not among the modes of communication.

Linguistic (oral/written), aural, visual, gestural, and spatial are the modes of communication.

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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.