What are the three types of irony?

There is dramatic, situational, and verbal irony.

Dramatic Irony- the contrast between what the character knows and what his audience knows.

Situational Irony- the contrast between what was expected to happen and what actually ended up happening.

Verbal Irony- the contrast between what is said and what is meant.

These types of irony have to do with the conflict, theme, and setting.