Sunday, February 19, 2012

Business English: To Comma or Not to Comma, That is the Question


Memorize these three basic comma rules.  They will get you through most situations.  Google if you are not sure and you don’t have a handy reference guide at home.

I am going to use sentences from T.S. Elliot’s Old Possum’s Book of Practical Cats for examples.  Since he sometimes used poetic license with his punctuation, I may sometimes use prose license and make some small changes.

Parenthetical Clause:  “Parenthetical clause” is a big phrase for something in your sentence that can be removed without changing its basic meaning.  Usually the extra words are there to add some flavor.  Use one comma in place of an opening parenthesis and another comma in place of a closing parenthesis.

If the parenthesis would be at the very beginning or very end of the sentence, do not put the comma at the beginning or the end.

Comma before and after the clause
The reason, I tell you, is always the same.

Comma after the introductory clause
As she finds that the mice will not ever keep quiet, she is sure it is due to irregular diet;

Comma before the closing clause
Her coat is of a tabby kind, with tiger stripes and leopard spots.

Joining two sentences with a conjunction:  A conjunction is a connecting word, such as and, but, or so.  If you have a comma after the conjunction, both sentences must be complete sentences.  A complete sentence must have a subject and verb.

Comma
He likes to lie in the bureau drawer, but he makes such a fuss if he can’t get out.

No comma
They like to practice their airs and graces and wait for the Jellicle Moon to rise.

Series:  A series of words separated by commas, conjunctions, or both.

Comma
He has lunched at the Tomb on cabbage, rice pudding, and mutton.

No comma
Jellicle Cats are black and white. 

References:  The best reference book to keep at your computer’s side is the Gregg Reference Manual by William A. Sabin, available at Amazon.com.  You should also add to your personal library OldPossum's Book of Practical Cats by T.S. Eliott, too.

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