* Creating a sense of tension and uncertainty. When characters say one thing but mean another, it can create a sense of unease and uncertainty about what is really going on. This can keep the audience on the edge of their seats, wondering what will happen next.
* Highlighting the differences between characters. Verbal irony can also be used to highlight the differences between characters. For example, in Romeo and Juliet, the Nurse often speaks in a very direct and literal way, while Romeo and Juliet themselves are more poetic and metaphorical. This contrast can help to create a sense of tension and conflict between the characters.
* Foreshadowing future events. Verbal irony can also be used to foreshadow future events. For example, when Romeo says to Juliet, "I take thee at thy word," he is unknowingly foreshadowing the tragic events that will follow.
Overall, verbal irony is a powerful tool that can be used to create suspense, foreshadowing, and tension in a story. It can also be used to highlight the differences between characters and to create a sense of conflict.