How can you ask someone to pass you the salt in a restaurant?
Could /Can / Would you pass me the salt, please?
You should / ought to visit a doctor
Can you lift 100 kilos?
No, I can't
Yes, I can
How do you ask for permission to take something (book/clothes…)?
May I borrow your book?
Can you give me your black jacket?
You are librarians, come up with a rule that students have to respect.
You must be quiet.
You need help with your exercises.
Could you help me?
Exams are next week. What piece of advice do you suggest for your friends and yourself?
We should revise well our lessons.
No, I couldn't
Open the window.
May I open the window?
Wearing uniform at school.
You have to wear uniform at school.