MUST vs HAVE TO (video)

Which is different?

• You must wear your seatbelt.

• You have to wear your seatbelt.

• You mustn't wear your seatbelt.

• You don't have to wear your seatbelt.

We use must(not) and have to to describe:

• opinion

• obligations, rules

• voluntary actions

• possibility

We use don't(doesn't) have to to describe:

• idea

• voluntary actions

• possibility

• obligation

There isn't any difference between have to and must in obligations.

• True

• False

We use must for internal obligations and have to for external obligations.

• True

• False

You decide NOT to smoke.

(I ______ smoke.)

The government wants you to pay your taxes.

You don't want to exercise, but the doctor tells you to.

You want to brush your teeth more.

You try to resist eating chocolate.