Помогите пожалуйста!!!!
Образуйте отрицательную и вопросительную форму следующих предложений.
1.We can read english books. 2. You may take my umbrella. 3. You can help your mother in the kitchen. 4, Polly could go there. 5. You must obey the rules. 6. He could answer all the questions. 7. He can play football well. 8. Peter might have already come home. 9. My sister must be sleeping now. 10. She can do it for you next week. 11. He might remember her. 12. Nick says you may phone him at 6 o'clock.