1. Comma Rule 2 Use commas in dates, numbers, addresses, letter openings and closings, and after names followed by Jr., Sr., Ph.D., M.D.  dates January 1, 2012  numbers 1,000 10,000 100,000 1,000,000

2.  to separate the parts of an address 301 South Wabena, Minooka, IL 60447  in letter openings and closings Dear Alex, Just a note to say we look forward to your visit. Yours truly, John

3.  after names followed by Jr., Sr., Ph.D., M.D. Mary Jones, Ph.D., will lecture on insect fragmentation today at 4 p.m.

4. In sentences separate each item in the address or date with a comma. August 12, 2011, was my first day at Minooka High School. Saturday, July 20, is their anniversary. My granddaughter was born on November 30, 2011, at Provena Saint Joseph’s Hospital. She lives at 803 Main Street, Farmingdale, New York 11735. They moved to 16375 Division Street, Plainfield, Illinois, last summer.

5. I had a doctor's appointment on Tuesday July 31 2009.

6. I had a doctor's appointment on Tuesday, July 31, 2009.

7. We are going to watch the fireworks on July 4 2012 at Navy Pier.

8. We are going to watch the fireworks on July 4, 2012, at Navy Pier.

9. San Franciscans were surprised on the morning of April 18 1906 by a major earthquake.

10. San Franciscans were surprised on the morning of April 18, 1906, by a major earthquake.

11. Send your comments about English class to Minooka Community High School 307 South Wabena Minooka IL 60447

12. Send your comments about English class to Minooka Community High School, 307 South Wabena, Minooka, IL 60447.

13. He attended Minooka Community High School 307 South Wabena Minooka IL 60447 for four fun-filled years.

14. He attended Minooka Community High School, 307 South Wabena, Minooka, IL 60447, for four fun-filled years.

15. I can hardly wait to hear John Smith M.D. teach the class on the hazards of smoking cigarettes.

16. I can hardly wait to hear John Smith, M.D., teach the class on the hazards of smoking cigarettes.