Make sentence with must / mustn't
You mustn't / must not use cellphone.
Make sentence with must / mustn't
You mustn't fart in here.
You mustn't pass gas in here.
Make sentence with must / mustn't
You mustn't / must not step on grass / walk on grass.
You must stay away from the grass.
Make sentence with must / mustn't
You mustn't / must not take picture.
You mustn't / must not use camera.
Make sentence with must / mustn't
You mustn't bring your pets.
Make sentence with must / mustn't
You mustn't / must not fish.
Make sentence with must / mustn't
You mustn't / must not eat or drink.
You must eat or drink outside.
Make sentence with must / mustn't
You mustn't walk in.
Make sentence with must / mustn't
You mustn't / must not speak or talk.
Make sentence with must / mustn't
You mustn't dive in here.
Make sentence with must / mustn't
You mustn't use guns / weapons.
Firearms mustn't be allowed.
Make sentence with must / mustn't
You mustn't / must not feed the animals.
Make sentence with must / mustn't
You must use the toilet.
You mustn't urinate here.
Make sentence with must / mustn't
You mustn't / must not walk in here.
You must go back.
Make sentence with must / mustn't
You mustn't feed the baby to the aligator.
Make sentences with must / mustn't
You must not / mustn't touch anything.
Make sentence with must / mustn't
You mustn't smoke.
Make sentence with must / mustn't
You mustn't litter / trash.
You must pick up trash.
Make sentence with must / mustn't
You mustn't bring babies.