How to Use a Dash in an English Sentence

Know the kinds of dashes., Identify an independent clause: Before you begin using a dash in a sentence, you must know what an independent clause is., Use the em dash: Understanding how to identify an independent clause, you're ready to begin using a...

17 Steps 3 min read Advanced

Step-by-Step Guide

  1. Step 1: Know the kinds of dashes.

    A dash is noticeably longer than a hyphen.

    There are several different dashes, but the most commonly used are the en dash (–) and the em dash (—).

    They are so named because they are the same width as the small letter n and capital letter M, respectively.

    The figure dash is a special typographical character most often used in phone numbers.

    Since it's normally unavailable in word processing, you can simply use a hyphen. (Example: 408‒555‒6792, or use 408-555-6792.) An en dash (–) is most commonly used to indicate a range of numbers.It is longer than a hyphen although a hyphen with spaces surrounding it can be used if a dash is not available.

    In Microsoft Word, doing this will automatically change the hyphen into an en dash. (Example:
    August 13–August 18, or pages 29–349.

    Note that there should be no space around the en dash.) An em dash is most often used to indicate a break in thought or to set an appositive off from the rest of the sentence.

    It can also be used to show a date when the time frame in question has not yet ended (Example:
    John Smith, 1976—).

    The remainder of this article will address using the em dash. , An independent clause is one that can stand on its own because it contains both a subject and a verb, for example:
    I love pizza.

    My mom makes me dinner. , Most commonly, a dash connects an independent clause with another, with a separate or interrupting thought plus a conjunction like or, but, yet, as, for, and after the second dash.

    The dash works somewhat like parentheses or commas, but it is used where a stronger punctuation is needed.

    It can connect an independent clause with the 'interrupting' thought like so:
    Independent clause—thought—independent clause.

    Independent clause—thought. , Here are some examples of a dash being used correctly:
    I'd better have passed my test—it's ninety percent of my class grade—or I'll have to go to summer school.

    Well, I passed the test—granted, I cheated—but I passed! Abby gave me a terrible haircut—and she expected a tip! , Note:
    If there is only one appositive (which renames a noun), then you should set that off with commas, not dashes, for example:
    The best waiter, Alain, can speak three languages. , "But I—But you said— ... wait, what?" stammered Edna. , Of course, I'll sign a prenuptial agreement—as long as it's in my favor. , LifeGuide Hub or wikipedia:
    Use — to express an em dash.

    The & symbol (ampersand) lets the system know that a code may be coming up.

    The ; (semicolon) ends the code.

    Similarly, use – for an en dash.

    When using a word processor, such as Microsoft Word, type two hyphens in between the words you wish to separate, leaving no spaces in between the words and the hyphens.

    The processor will automatically change the two hyphens into an em dash. , Right:
    We saw two movies at the theater today—I didn’t really like either of them.

    Wrong:
    My best friend—Sam—went to the doctor with me today.

    Right use of commas:
    My best friend, Sam, went to the doctor with me today.

    Right use of the dash:
    Sam—even though she fears clinics terribly—went to the doctor with me today.Note:
    The last example using 'Sam' is not an appositive; the set off item is a subordinate clause.
  2. Step 2: Identify an independent clause: Before you begin using a dash in a sentence

  3. Step 3: you must know what an independent clause is.

  4. Step 4: Use the em dash: Understanding how to identify an independent clause

  5. Step 5: you're ready to begin using a dash.

  6. Step 6: Put your sentences together: Now practice using a dash.

  7. Step 7: Know the other ways to use a dash: Dashes are also used to offset lists placed in the middle of an independent clause

  8. Step 8: where commas are already used

  9. Step 9: for example: All of my school work—physics

  10. Step 10: Academic Decathlon

  11. Step 11: sociology

  12. Step 12: and calculus—got washed away when my house was flooded.

  13. Step 13: In dialogue

  14. Step 14: dashes are used to indicate interrupted speech.

  15. Step 15: Dashes can also be used to emphasize a sentence.

  16. Step 16: Type the dashes in correctly.

  17. Step 17: Understand some common examples: Wrong: We saw two movies at the theater today—but I didn’t really like either of them—.

Detailed Guide

A dash is noticeably longer than a hyphen.

There are several different dashes, but the most commonly used are the en dash (–) and the em dash (—).

They are so named because they are the same width as the small letter n and capital letter M, respectively.

The figure dash is a special typographical character most often used in phone numbers.

Since it's normally unavailable in word processing, you can simply use a hyphen. (Example: 408‒555‒6792, or use 408-555-6792.) An en dash (–) is most commonly used to indicate a range of numbers.It is longer than a hyphen although a hyphen with spaces surrounding it can be used if a dash is not available.

In Microsoft Word, doing this will automatically change the hyphen into an en dash. (Example:
August 13–August 18, or pages 29–349.

Note that there should be no space around the en dash.) An em dash is most often used to indicate a break in thought or to set an appositive off from the rest of the sentence.

It can also be used to show a date when the time frame in question has not yet ended (Example:
John Smith, 1976—).

The remainder of this article will address using the em dash. , An independent clause is one that can stand on its own because it contains both a subject and a verb, for example:
I love pizza.

My mom makes me dinner. , Most commonly, a dash connects an independent clause with another, with a separate or interrupting thought plus a conjunction like or, but, yet, as, for, and after the second dash.

The dash works somewhat like parentheses or commas, but it is used where a stronger punctuation is needed.

It can connect an independent clause with the 'interrupting' thought like so:
Independent clause—thought—independent clause.

Independent clause—thought. , Here are some examples of a dash being used correctly:
I'd better have passed my test—it's ninety percent of my class grade—or I'll have to go to summer school.

Well, I passed the test—granted, I cheated—but I passed! Abby gave me a terrible haircut—and she expected a tip! , Note:
If there is only one appositive (which renames a noun), then you should set that off with commas, not dashes, for example:
The best waiter, Alain, can speak three languages. , "But I—But you said— ... wait, what?" stammered Edna. , Of course, I'll sign a prenuptial agreement—as long as it's in my favor. , LifeGuide Hub or wikipedia:
Use — to express an em dash.

The & symbol (ampersand) lets the system know that a code may be coming up.

The ; (semicolon) ends the code.

Similarly, use – for an en dash.

When using a word processor, such as Microsoft Word, type two hyphens in between the words you wish to separate, leaving no spaces in between the words and the hyphens.

The processor will automatically change the two hyphens into an em dash. , Right:
We saw two movies at the theater today—I didn’t really like either of them.

Wrong:
My best friend—Sam—went to the doctor with me today.

Right use of commas:
My best friend, Sam, went to the doctor with me today.

Right use of the dash:
Sam—even though she fears clinics terribly—went to the doctor with me today.Note:
The last example using 'Sam' is not an appositive; the set off item is a subordinate clause.

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