How to Use “Have to”

• Talk about rules.
• Something necessary.

But also…

• Something not necessary using don’t / doesn’t have to.

Have to / Has to

Have to

I You We They

Has to

She He It

For general rules, necessities or obligations, we can use have to, got to or need to.

I have to go = I’ve got to go = I ‘gotta’ go.

She has to go = She’s got to go = She’s ‘gotta’ go.

Examples

Rule:

You have to be at least 18 years old to sign a contract in the US.

Not necessary:

You don’t have to be cool to rule my world

Song lyric: Kiss - Prince and the Revolution.