1. Is it okay if I sit here? 2. Is it okay to ask a question now? 3. Is it okay if we start the meeting early? 4. Is it okay to leave work a bit early today? 5. Is it okay if I borrow your pen? 6. Is it okay to invite my friend to the party? 7. Is it okay if I take a day off tomorrow? 8. Is it okay if we talk about this later? 9. Is it okay to call you after 9 PM? 10. Is it okay if I change the ..