1. I can / can't / might go out tonight. I'm too busy. 2. I haven't studied enough. I may / may not / might pass my exams. 3. They say it must / need / might snow tomorrow. 4. She can /might not / won't be able to help us. She's not available. 5. Can / May / Might you come to my party? 6. should run or we can / might / might not miss the bus.

Решение:

• 1. I can't go out tonight. I'm too busy. (Невозможность действия из-за занятости)
• 2. I haven't studied enough. I may not / might not pass my exams. (Низкая вероятность неудачи)
• 3. They say it might snow tomorrow. (Предположение о будущем)
• 4. She might not / won't be able to help us. She's not available. (Возможность неудачи или невозможность действия)
• 5. May / Might you come to my party? (Вежливая просьба)
• 6. We should run or we might not miss the bus. (Рекомендация и возможность неудачи)

Ответ: can't, may not / might not, might, might not / won't be able to, May / Might, might not