The Period - What Is It?
The period (or full stop) is an important punctuation mark in English that actually has three different uses: ending sentences, indicating abbreviations, and a number of other stylistic uses. Recent research and feedback from writing teachers have shown that for some reason English writers are using the period less and less, using commas instead. Misuse of periods and commas may lead your reader to misunderstand your writing, making it important to review the uses of the period.
The 3 uses of the period are:
1. Ending a Sentence
Yesterday I wrote a letter to a friend.
2. Indicating Abbreviations
In the U.K. people work Mon. to Fri.
3. Other Uses of the Period
Graph 7. Results show a 4.5 % increase.
Uses of the Period in English Writing
Ending a Sentence with a Period
Right or wrong ?
Ask not what your country can do for you - but what you can do for your country ?
John F. Kennedy
Wrong ! In the above famous quote, the late President Kennedy did not want to ask his audience anything. His aim was to assert a statement. Therefore, a period should have ended the sentence and not a question mark.
The Punctuation Rules for Ending a Sentence with a Period
In order to give your readers signals that would show them when to make pauses in the reading, you need to use end punctuation marks (periods, question marks, exclamation points) at the end of sentences. The period should be used to end sentences that have the following purposes: