How to Use a Period Correctly
Of all types of punctuation, the period is perhaps the easiest to use. Even so, if you are new to writing in English, you may have questions about when and how to use periods.
What is a Period?
A period is a small dot-shaped punctuation mark that is used at the end of any sentence that is intended to make a statement. As with other punctuation marks that end sentences, the period should be placed directly behind the last letter of the last word of the sentence.
When to Use Periods
Use periods in sentences that make statements.
- My dog retrieves the paper for me each morning.
- Gloria wants to be a nurse after she finishes high school.
- Our city’s police cars are painted black and white.
You should also use periods at the end of sentences that are intended to instruct or command.
- Rinse the dishes before putting them in the dishwasher.
- Lock the door behind you.
- Place recyclable items in the blue bin next to the dumpster.
Periods can also be used at the end of a sentence that contains an indirect question.
- The coach asked Jared why he was late for practice.
- My mother used to wonder why my brother’s room was cluttered.
- I have something to ask you.
How to Use Periods
After ending a sentence with a period, insert a single space before beginning the next sentence. This rule has only been in place since modern word processing became common – back in the days when people used typewriters, one would insert two spaces behind periods and other punctuation marks that end sentences.
Periods are also used with abbreviations.
In the event that the abbreviation ends a statement, a command, or an indirect question, the period that ends that abbreviation is also used to complete the sentence.
- If you want to visit the Smithsonian Institute’s National Museum of American History, you will need to travel to Washington, D.C.
- Arrive at 5:30 p.m. to get a seat for the concert; it begins at 6 p.m.
Although acronyms are abbreviations, they do not normally require periods. If you are using an acronym that is pronounced as a word such as NOW, NATO, RADAR, or SCUBA, you don’t need to insert periods between the letters. If you are using an acronym that is pronounced by speaking the letters individually, you may or may not need to use periods between the letters. Some examples include FBI, NBA, NCAA, NAACP, U.S.A., and U.N.I.C.E.F.
Would you like to learn more? Ginger’s grammar handbook teaches you how to properly use quotation marks, exclamation marks, Question marks, commas, semicolons, colons and Apostrophes
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