English commas

"Choke up on the bat" said the coach "if you don't want to strike out again."

"Choke up on the bat," said the coach, "if you don't want to strike out again."

After working on that test for 15 minutes I knew I was going to fail it.

After working on that test for 15 minutes, I knew I was going to fail it.

Alex on the other hand was crazy about playing baseball.

Alex, on the other hand, was crazy about playing baseball.

Carlos was born on Tuesday November 17 1999.

Carlos was born on Tuesday, November 17, 1999

Chelsea's paintings always include lots of red orange yellow and purple.

Chelsea's paintings always include lots of red, orange, yellow, and purple.

I can go to the park with you but I have to do my homework first.

I can go to the park with you, but I have to do my homework first.

I don't get to go on the field trip but I get to go to the party.

I don't get to go on the field trip, but I get to go to the party.

I have worksheets to do tonight in Spanish social studies and math.

I have worksheets to do tonight in Spanish, social studies, and math.

If you don't study how will you pass Spanish?

If you don't study, how will you pass Spanish?

Miranda a promising figure skater practices every day.

Miranda, a promising figure skater, practices every day.

Mom said "You have to clean your room today."

Mom said, "You have to clean your room today."

My new friend moved here from Austin Texas last month.

My new friend moved here from Austin, Texas last month.

Sorry I should have finished that already.

Sorry, I should have finished that already.

Unfortunately I forgot we were having a test on that today and didn't study.

Unfortunately, I forgot we were having a test on that today and didn't study.