used to show that you must do something
Example:
- Sorry, I've got to go.
- Did she have to pay a fine?
- You don't have to knock—just walk in.
- I haven't got to leave till seven.
- First, you have to think logically about your fears.
- I have to admit, the idea of marriage scares me.
- Do you have to go?
- Have you got to go?
used to give advice or recommend something
Example:
- You simply have to get a new job.
- You've got to try this recipe—it's delicious.
used to say that something must be true or must happen
Example:
- There has to be a reason for his strange behaviour.
- This war has got to end soon.
used to suggest that an annoying event happens in order to annoy you, or that somebody does something in order to annoy you
Example:
- Of course, it had to start raining as soon as we got to the beach.
- Do you have to hum so loudly? (= it is annoying)