have to

1 (also have got to) used to show that you must do something

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?

(especially British English) Have you got to go?

2 (also have got to especially in British English) used to give advice or recommend something

You simply have to get a new job.

You've got to try this recipe—it's delicious.

3 (also have got to especially in British English) used to say that something must be true or must happen

There has to be a reason for his strange behaviour.

This war has got to end soon.

4 ​used to suggest that an annoying event happens in order to annoy you, or that somebody does something in order to annoy you

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)

e.g.