Professor Nathan Carr - How to Use Commas Correctly in a Sentence Professor Nathan Carr is sharing here some tips on how to use commas correctly. Commas create a big problem for many individuals. They put commas at wrong places and change the whole meaning of their sentences. Interestingly, the number of people who use commas incorrectly is large in number. With an aim help those all people, we have brought some rules for you that will help you the comma correctly. The rules shared by Professor Nathan Carr to use commas are as following: 1- Use a comma when you address someone. Examples: Doctor, may I visit you in the evening? Sir, I have checked your webpage that needs some modification. 2- When you have to add two independent clauses, add them with any of the words from FANBOYS (for, and, nor, but, or, yet, so). Don’t forget to put a comma before the conjunction that you use to add the two sentences. Examples: I play cricket. I don’t complete my homework. I play cricket, but I don’t complete my homework. You won the match. You will be awarded. You won the match, so you will be awarded. 3- Put a comma when you keep independent clause before the dependent clause. Examples: When you finish your homework, you can go to play cricket. If you love football, you should join a football academy to make your future in this sport. 4- Don’t put a comma before a dependent clause when you keep the dependent clause after the independent clause. Examples: I will visit my doctor when you return from your office. He cleared the test successfully though he had not studied throughout the year. 5- Use a comma to separate day from date. Example: On Saturday, October 26, I have to visit my in-laws. 6- Don’t use a comma if the subject of a sentence does not appear in front of the second verb. Example: He tried hard to answer but could not answer correctly. Professor Nathan Carr suggests some more examples below to make you understand : 7- Use commas to separate town from state and state from the nation. Example: I would like to tour Washington, United States of America. 8- Use commas to separate items in a list. Examples: Buy a pen, a notebook, and an eraser. 9- Use commas to separate month from Year. Example: I will buy a car on November 1, 2013. His school examination will begin on January 14, 2014. Professor Nathan Carr hopes that keeping these suggestions in your mind will make it quite easy for you to use commas correctly. Therefore, don’t forget them after leaving the article page.