Verbal irony. she’s being sarcastic
Answer:
The children promised <em><u>to </u></em><em><u>be</u></em> back by mine.
By going to the brothers house made of brick
Answer: Preposition
Explanation: "to" is a preposition because it is used as a basic form of a verb. (infinitive)
Hopefully this Helps.
The speaker feels as if it tragic and this is being shown the exaggeration and use of a hyperbole.
