Снужно со словами can, could, may, must, should составить по предложению вопросительном и отрицательном.

Can you help me, please?
Could you make me some lemonade?
May I have a glass of woter?
Must we come to school tomorrow ?
What should John do now?


She can't be rich.
The foreigner could't enter the country without a visa.
Luggage may not be left here.
I'm afraid you mustn't enter the room.
Tom shouldn't pass his exam.