Items in Series
Independent Clauses
Non-Essential Clauses
Introductory Elements
Grab bag
100

I took my backpack my computer my gym bag and my phone to school.

I took my backpack, my computer, my gym bag, and my phone to school.

100

They rode the bus to school but they preferred to walk.

They rode the bus to school, but they preferred to walk.

100

Our car which is a Subaru has four wheel drive.

Our car, which is a Subaru, has four wheel drive.

100

Sure I can help.

Sure, I can help.

100

My car a subaru has all-wheel drive.

My car, a subaru, has all-wheel drive.

200

They were a curious intelligent and hard-working student.

They were a curious, intelligent, and hard-working student.

200

He went to the movies after school and then he went home.

He went to the movies after school, and then he went home.

200

The college that I visited over the weekend has a world-class astronomy department.

The college that I visited over the weekend has a world-class astronomy department. (no commas)

200

"Dave do you know the answer to number seven?"

"Dave, do you know the answer to number seven?"

200

This is indeed an excellent essay.

This is, indeed, an excellent essay.

300

The hike to our campsite involved crossing a wide stream climbing a steep mountain descending down a narrow rocky trail and hacking our way through dense underbrush.

The hike to our campsite involved crossing a wide stream, climbing a steep mountain, descending down a rocky trail, and hacking our way through dense underbrush.

300

Macey loves to play basketball so she practices all the time.

Macey loves to play basketball, so she practices all the time.

300

Swimmers who have already mastered the butterfly can swim the individual medley.

Swimmers who have already mastered the butterfly can swim the individual medley. (no commas)

300

After a long walk on the beach we returned home for dinner.

After a long walk on the beach, we returned home for dinner.

300

What is the difference in meaning between these two sentences?

1. This is my friend Dave.

2. This is my friend, Dave.

In sentence one, Dave is the friend. In sentence two, Dave is being introduced to someone else who is the friend.

400

For dinner the dining hall offered macaroni and cheese spaghetti and meatballs franks and beans or pizza.

For dinner, the dining hall offered macaroni and cheese, spaghetti and meatballs, franks and beans, or pizza.

400

She loves cooking however she isn't very good at it.

She loves cooking; however, she isn't very good at it.

400

Sasha Petrosky who opened a bar in New York called Milk and Honey died very young.

Sasha Petrosky, who opened a bar in New York called Milk and Honey, died very young.

400

Sprinting past the competition Lindsey broke the school record in the hundred meter dash.

Sprinting past the competition, Lindsey broke the school record in the hundred meter dash.

400

Many people consider France to be the country that produces the world's finest cheeses however the undisputed king of all cheeses is Parmigiano Reggiano an Italian cheese.

Many people consider France to be the country that produces the world's finest cheeses; however, the undisputed king of all cheeses is Parmigiano Reggiano, an Italian cheese.

500

The jazz band consisted of the following members: Miles Davis trumpet John Coltrane saxophone Bill Evans piano Paul Chambers bass and Jimmy Cobb drums.

The jazz band consisted of the following members: Miles Davis, trumpet; John Coltrane, saxophone; Bill Evans, piano; Paul Chambers, bass; and Jimmy Cobb, drums.

500

I scored the game-winning home run and earned the team a spot in the playoffs.

I scored the game-winning home run and earned the team a spot in the playoffs. (no comma)

500

What is the difference in meaning between these two sentences?

1. My uncle who lives in Detroit owns a big boat.

2. My uncle, who lives in Detroit, owns a big boat.

In sentence 1 the narrator has more than one uncle. In sentence 2 the narrator has only one uncle.

500

Although many people ignore this particular rule it is forbidden to wear open-toed shoes to class.

Although many people ignore this particular rule, it is forbidden to wear open-toed shoes to class.

500

On the bus home from the game I rode with Eddie Oscar Miguel Terry and Ron and Jim Kathleen Marge and Josh went home with their parents.

On the bus home from the game, I rode with Eddie, Oscar, Miguel, Terry, and Ron; and Jim, Kathleen, Marge, and Josh went home with their parents.