Ответ:
1. She can't play chess
2. He can't play hockey
3. They didn't may go to the cinema
4. l didn't may open the window
5. Children and adults didn't must clean their teeth twice a day
6. Children didn't must go to school
7. English learners didn't must learn English words every day
8. You aren't should keep your room tidy
9. Children didn't should listen to their parent's advice
10. They aren't should be polite