Steven wants to go out with his friends but his mum said he needn’t/can't go until he has finished his homework.
In Britain, all teens have to/may stay in school until they are sixteen years of age.
If your roommates are too noisy, you need to/ought to study at the student library. It’s quiet there.
In the old days, teachers could/should hit students with a ruler if they misbehaved in class.
You mustn’t/don't have to do this homework, but those who do will get extra credit.
You should/need to ask your teacher if you require extra help with your studies.
Lisa mustn’t/can’t have cooked this delicious meal. She doesn’t even know how to boil an egg!
In our school, the students mustn’t/must stand up when their teacher enters the room.
You should/might spend more time studying if you want to get good marks.
Richard can/need solve Maths very quickly.
She can’t/should have been nasty to the other children.
If I get permission from my parents, I must/may study in the UK next year.
You don’t have to/can’t attend university to get your degree. There are long distance learning programs online which can provide you with a very good education.
Mary has got a headache. She can’t/shouldn’t sleep well recently.
Students can/must be on time for class.
Jake can/must play tennis well but he couldn’t play a game yesterday because he was ill.
Kate has a talent in writing. She should/mustn’t take part in the short story competition at school this month.
You mustn’t/needn’t take an umbrella today. The sun is shining.
Students mustn’t/needn’t run in the school corridors. It’s against the rules.
I can/could sleep for hours when I was a little girl.
