Obligation
Name 1 modal verb for obligation
Must/Have to/Mustn't
Name 1 modal verb for suggestion
Should/Ought to/Shouldn't
Name 1 modal verb for permission
Can/Be Allowed to/Could
Name 1 modal verb for possibility
Could/Might/May
You ________ stay up late. Mom said we should be sleeping at 11.
MUSTN'T
You _________ drink that milk. It smells funny.
SHOULDN'T
You ______ go to the party if you clean your room.
CAN
She is not feeling good. She _________ come to the party.
MIGHT NOT/MAY NOT
Difference between MUSTN'T and DON'T HAVE TO
'Mustn't' is for prohibition. 'Don't have to' is for lack of necessity
Difference between SHOULD and OUGHT TO
They are the same/'Ought to' is stronger
Difference between CAN and COULDN'T
'Can' is for present affirmative, 'Couldn't' is for past negative
Difference between COULDN'T and MIGHT/MAY NOT
'Might/May not' is for the negative possibility, 'Couldn't' is not used for possibility
Paraphrase the sentence using a modal verb:
It is not necessary to use our books in this game.
We don't have to use our books in this game.
Paraphrase the sentence using a modal verb:
It is important that you brush your teeth after eating sweets.
You should/ought to brush your teeth after eating sweets.
Paraphrase the sentence using a modal verb:
We don't have permission to use smartphones in the classroom.
We can't use smartphones in the classroom.
Paraphrase the sentence using a modal verb:
You have two options: walk to school or take the bus.
You could walk to school or take the bus.
Produce a sentence about obligation in:
THE SCHOOL
Produce a sentence about suggestion in:
FRIENDSHIP
Sentence with should/ought to/negatives
Produce a sentence about permission in:
YOUR HOUSE
Sentence with can/could/be allowed to/negatives
Produce a sentence about possibility in:
NEXT WEEKEND
Sentence with could/may/might/negatives