4. Which modals:

Ответ:

• 1. give permission? — Can, Could, May
• 2. express obligation? — Must, Have to, Should
• 3. express lack of necessity? — Don't have to, Needn't
• 4. express prohibition? — Must not, Cannot
• 5. give advice? — Should, Ought to
• 6. express possibility? — May, Might, Could, Can