Ответ:
Here are the sentences with 'might not':
2. I might not go out this evening.
3. We might not be able to get tickets for the game.
4. Sam might not be able to go out with us tonight.
2. I might not go out this evening.
3. We might not be able to get tickets for the game.
4. Sam might not be able to go out with us tonight.
