1. Are you happy with your results at school? 2. Is she your best friend? 3. Are they planning to attend the concert? 4. Is it raining outside? 5. Are we ready to start the project? 6. Is he interested in learning a new language? 7. Are you tired after the long trip? 8. Is this your favorite book? 9. Are those your shoes by the door? 10. Is the movie starting soon? 11. Are you excited about the weekend? 12. Is the homework due tomorrow?