Answer:
1. I am not drinking coffee now. I am writing an English exercise.
2. I do not drink coffee in the evening. I drink coffee in the morning.
3. Is your friend doing his homework now?
4. Does your friend go to school in the morning?
5. Look! The baby is sleeping.
6. The baby always sleeps after dinner.
7. My grandmother does not work. She is on pension.
8. My father is not sleeping now. He is working in the garden.
9. I usually get up at seven o'clock in the morning.
10. What is your sister doing now? -She is washing her face and hands.