Please review the following questions for punctuation (comma) errors.

1. After he is done working he will go home.

2. While it may seem obvious it is not always easy.

3. John told Steven that Anne was late but it did not seem to matter.

4. If you like your healthcare plan you can keep it.

5. John brought a gift for Anne for she was a good friend.

6. John offered gold coins to pay for his car but these were not acceptable.

7. I don't know when the show begins so I will get there early.

8. In case you have not heard the show has been called off.

9. John told Mike yet Mike did not tell Sue.

10. Above all do no harm.