;

:

'

,

a punctuation mark indicating a pause between parts of a sentence. It is also used to separate items in a list and to mark the place of thousands in a large numeral.

a word or phrase that modifies or qualifies an adjective, verb, or other adverb or a word group, expressing a relation of place, time, circumstance, manner, cause, degree, etc.

curious or inquiring

a punctuation mark indicating.that a writer is introducing a quotation or a list of items.that a writer is separating two clauses of which the second expands or illustrates the first.

You may have, hot chocolate, hot tea, or coffee to drink.

You may have hot chocolate, hot tea, or coffee to drink. 

You may have hot chocolate; hot tea; or coffee to drink. 

You may have hot chocolate or hot tea or coffee, to drink. 

Amanda can you please bring me the pencil sharpener, and a piece of paper?

Amanda, can you please bring me the pencil sharpener and a piece of paper?

Amanda, can you please bring me the pencil sharpener, and a piece of paper?

Amanda can you please bring me the, pencil, sharpener and a piece of paper?

Insert comma after "think"

Insert comma directly after "though"

Insert comma after the word shy

No comma needed

It was in the Tribune's June 5, 2003, edition.

The sentence is punctuated correctly

It was in the Tribune's June, 5, 2003, edition.

It was in the Tribune's June, 5 2003, edition. 

ends a sentence

separates major sentence elements

They are used to make a pause in a sentence and to seperate a list.

finds the literary property 

Commas with introductory sentences

Commas to separate adjectives

Commas for items in a series

Commas for direct quotes

Commas to separate adjectives

Commas for introductory phrases

Commas to offset appositives

Commas for items in a series 

Commas to separate adjectives

Commas for items in a series

Commas for introductory phrase

Commas to set off appositives