Alan ___ swim well.
Alan can swim well.
(Informal) ___ I borrow your pen?
Can I borrow your pen?
You ___ stop here.
You must stop here.
You ___ drive here.
You can't drive here.
(Negative) Young children ___ watch violent TV shows.
Young children shouldn't watch violent TV shows.
(Negative) Jackie ____ play the piano.
Jackie can't play the piano.
(Informal) ___ I use your bathroom?
Can I use your bathroom?
You ___ to wear a seatbelt when you drive.
You have to wear a seatbelt when you drive.
You ___ smoke in the office.
You can't smoke in the office.
It's really cold outside, you ____ wear a jacket.
It's really cold outside, you should wear a jacket.
Brenda ______ to run quickly.
Brenda is able to run quickly.
You ___ answer at least one question.
You must answer at least one question.
You ____ not play music. (strong)
You mustn't play music.
I have a problem. ____ I call my parents or my friends?
I have a problem. Should I call my parents or my friends?
I ______ to speak two languages.
I am able to speak two languages.
___ you tell me the way to the town center, please?
Could you tell me the way to the town center please?
I ___ to return the book now.
I have to return the book now.
You ____ not write with a pencil. (Strong)
You mustn't write with a pencil.
You _____ slow down. You're driving too fast. (Strong)
You must slow down. You're driving too fast.
(Negative) Stacey _______ to finish the marathon.
Stacey isn't able to finish the marathon.
(Formal) ___ I have a glass of water?
May I have a glass of water?
(Negative) I ______ work on Sundays.
I don't have to work on Sundays. (No obligation)
You ___ not use a cell phone. (Strong)
You mustn't use a cell phone.
(Negative) You _________ forget to pay your tuition. (Strong)
You must not forget to pay your tuition.