Brief Outline of Comma Uses

(extended outline here)

Brief Outline of Comma Uses

(extended outline here)

Brief Outline of Comma Uses

(extended outline here)

The Number Comma

Unit One Overview

The number comma helps us read numerals in two ways:

The Appendage Comma

Unit Two Overview

The appendage comma separates embellishing and explanatory information from the main thought of a sentence. Generally, these supplemental details could be deleted without losing the sentence’s essential meaning. Like arms, however, appended information can be very useful:

The Structure Comma

Unit Three Overview

The structure comma helps readers identify how the essential elements of a sentence are arranged and relate to each other. The comma can also indicate the arrangement of longer sentence appendages.