Full Stop (Period)


A Full Stop, commonly known in American English as a Period, is a crucial punctuation mark in English grammar. It is widely recognized by its characteristic shape, a small dot (.). This tutorial will guide you through the rules and correct usage of a Full Stop (Period).

What is a Full Stop (Period)?

A Full Stop (Period) is a punctuation mark used to indicate the end of a sentence or an abbreviation. It is placed at the end of a sentence or after certain abbreviations to show the limit or conclusion of a statement, instruction, or inquiry.


  • Sentence: John plays football.
  • Abbreviation: Dr. Smith

When to use a Full Stop (Period)

A Full Stop (Period) is used in various contexts. Below are the guidelines explaining when to use a Full Stop (Period).

In Declarative Sentences

The most common use of a Full Stop (Period) is at the end of declarative sentences, which are statements or expressions of opinions or beliefs.


  • I love apple pie.
  • He believes in hard work and dedication.

In Imperative Sentences

Imperative sentences are commands or orders. A Full Stop (Period) is used at the end of an imperative sentence that is delivered in a neutral or polite tone.


  • Close the door.
  • Please pass the salt.

In Indirect Questions

Indirect questions are statements that incorporate a question within them. These sentences do not require a question mark and are ended with a Full Stop (Period).


  • I wonder if it will rain today.
  • She asked if I was going to the party.

After Abbreviations and Initials

A Full Stop (Period) is also used after initials or abbreviations. Not all abbreviations require a Full Stop (Period), such as acronyms and abbreviations made entirely of capital letters.


  • Mr. Johnson
  • U.S.A.
  • J. K. Rowling

After Stylized Bullet Points

If you're using bullet points that make up full sentences or phases, you should conclude them with a Full Stop (Period).


  • The weather was warm.
  • We had a picnic in the park.
  • Everyone had a great time.

Misuse of a Full Stop (Period)

There are certain situations where a Full Stop (Period) should not be used. They include:

Before Another Punctuation Mark

Do not place a Full Stop (Period) immediately before a comma, colon, semicolon, or another Full Stop (Period).


  • Incorrect: I like apples. and oranges.
  • Correct: I like apples and oranges.

At the End of a Sentence Ended with a Question Mark or Exclamation Mark

Do not use a Full Stop (Period) at the end of a sentence that already ends with a question mark or an exclamation mark. The question mark or exclamation mark serves the function of the Full Stop (Period).


  • Incorrect: What time is it?.
  • Correct: What time is it?


Understanding how to use a Full Stop (Period) appropriately is fundamental to good written communication in English. Incorrectly placed or omitted Full Stops (Periods) can compromise the clarity and integrity of your writing. So keep practicing and keep improving. Remember, the key to mastering the use of a Full Stop (Period) or any punctuation mark is consistency and practice.

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