The statement by Aunt Polly is an example of dialect. Pike country dialect is used in the novel. A dialect is used to give the regional touch to a story, for better understanding the individuality of persons.
What is a dialect?
A dialect is used to give the regional touch to the dialogues in the story by using different regional and social languages that have different pronunciations, sounds and use of grammar.
In the statement “What's gone with that boy, I wonder? You TOM!, the dialect from Pike country has been used to give it a sense of regionality.
Therefore, dialect has been used in the sentence.
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