Obligation
It's essential that I go to that party! They're going to give a dessert!
I have to go to that party! They're going to give a dessert!
It's prohibited to be lazy on your work.
You mustn't be lazy on your work.
It's not a good idea to copy on your exams.
You shouldn't copy on your exams.
Should I go to the bathroom?
Can I go to the bathroom?
It's essential for me to leave now.
I have to leave now.
You must grap other people things.
You mustn't grap other people things.
It's a good idea to get a new jacket.
You should get a new jacket.
Ask the teacher for permission to drink water (make a question).
Can I drink water, please?
It's important to the family, you ____________ go to the party.
It's important to the family, you have to go to the party.
You ________ yell at other people.
You mustn't yell at other people.
Eating fries is not good for your health.
You shouldn't eat fries.
_____ (I / have) a candy?
Can I have a candy?
It's necessary for you to have all your assesment.
You have to have all your assesment
Being late is prohibited according to school rules.
You mustn't be late.
It's a good idea study hard to improve your grades.
You should study hard to improve your grades.
______ I take a bath tomorrow?
Can I take a bath tomorrow?
The homework is for tomorrow you can do it now.
The homework is for tomorrow you have to do it now.
It's prohibited to use mobile phones at school.
You mustn't use mobile phones at school.
Doing sports is good for your health.
You should do sports.
Ask the teacher for permission to do homework later (make a question).
Can I do homework later?