Commas in a Series

A comma in a series is used to separate three or more items in a list.

You should use a comma before 'and' in a list of three or more items, known as the Oxford comma.

I bought apples, oranges, and bananas.

Commas in a series help clarify the items in a list, making the sentence easier to read.

The correct sentence is: I like to swim, run, and bike.

Add commas: I need eggs, milk, and bread.

The correct sentence is: I want pizza, salad, and soda.

A common mistake is forgetting to add a comma before 'and' in a list.

Three commas are needed to separate the four items.

Use commas to separate items in a list of three or more.