In a prepositional phrase what is the noun or pronoun called

Mr and mrs van daan murmur their welcome what are the playwrights indicating by using the word murmur?

Which sentence uses the simple present tense of sleep? mr. ford sleeping on a feather mattress in his apartment. mr. ford will sleep on a feather mattress in his apartment. mr. ford sleeps on a feather mattress in his apartment. mr. ford slept on a feather mattress in his apartment.

Which of these excerpts from “a white heron” is an example of personification