Modals can be used to show prohibition.
must not is used to show prohibition.
must not is used to show prohibition.
Must not is used to show prohibition. This means that something isn't permitted or allowed.
- He must not open his presents before Christmas morning.
- You must not stay out too late at night.
- We must not abuse our superpowers.
Must not is mustn't when speaking. The t in must is NOT pronounced when it is contracted.
- He mustn't open his presents before Christmas morning.
- You mustn't stay out too late at night.
- We mustn't abuse our superpowers.
Introduction
Polite requests
Expressing necessity & obligation
Lack of necessity
Prohibition
Expectation
Giving advice
Making suggestions
Ability
Expressing preference
Degrees of certainty (present)
Degrees of certainty (past)
Degrees of certainty (future)
Progressive forms
Repeated past
Modal & phrasal verb combinations
Polite requests
Expressing necessity & obligation
Lack of necessity
Prohibition
Expectation
Giving advice
Making suggestions
Ability
Expressing preference
Degrees of certainty (present)
Degrees of certainty (past)
Degrees of certainty (future)
Progressive forms
Repeated past
Modal & phrasal verb combinations
This page is one of PLS's English grammar pages for people who want to learn or improve their English grammar skills.