1. Has she done the work yet?2. Did he say it yesterday?3. Are they at home yet?4. Have you read it yet?5. Have they lived here long?6. Has she typed it yet?7. Is he sleeping now?8. Does he know it?9. Has he been watching TV all this time? It's bad for his eyes.10. Is he walking now?11. Does he not learn the poem even though he has a good memory?12. Has she not given you a present for your birthday even though she has always been very kind-hearted?