Sure, here are the sentences in the present continuous tense:

1. Mr John isn't working.
2. Mike is eating breakfast.
3. Are you talking on the phone?
4. They are running in the park.
5. It isn't snowing.
6. Is she speaking Chinese?
7. Amy is painting.
8. He isn't sitting on the floor.
9. Is Mary smiling?
10. You aren't reading a newspaper.