Нужно составить 5 предложений в Present Continuous в утвердительном,отрицательном, вопросительном предложений. Заранее спасибо)

1. He is singing now He is not singing now Is he singing now? 2. i am doing my homework at the moment I am not doing my homework at the moment Am I doing my homework at the moment? 3. we are playing now we are not playing now are  we playing now? 4. I am reading now I am not reading now Am I reading now? 5. they are painting at the moment they are not painting at the moment are they painting at the moment?