Comma Rules 1
Comma Rules 2
Comma Rules 3
Comma Rules 4
Comma Rules 5
100

I want to win the baseball game today go to the park afterwards and celebrate with pizza later. 

I want to win the baseball game today, go to the park afterwards, and celebrate with pizza later.

100

Did you know Jeff that kangaroos will box with each other as a self-defense mechanism and they also use their tails to balance themselves as they kickbox their opponents?

Did you know, Jeff, that kangaroos will box with each other as a self-defense mechanism, and they also use their tails to balance themselves as they kickbox their opponents?

100

Since beavers' teeth never stop growing beavers must chew wood to hone their teeth down so that their teeth do not grow into their brains!

Since beavers' teeth never stop growing, beavers must chew wood to hone their teeth down so that their teeth do not grow into their brains!

100

Good sportsmanship sets examples for younger less experienced athletes to follow and makes playing sports much more pleasurable.

Good sportsmanship sets examples for younger, less experienced athletes to follow and makes playing sports much more pleasurable.

100

I want a hot dog with ketchup mustard and chili but I do not want any stinky onions on it.

I want a hot dog with ketchup, mustard, and chili, but I do not want any stinky onions on it. 

200

The boy who always wears a red baseball cap is the water boy for one of the teams today. 

Correct

200

Fortunately the firefighters were prepared for the monstrous consuming fire that destroyed acres of the forest.

Fortunately, the firefighters were prepared for the monstrous, consuming fire that destroyed acres of the forest.

200

Mandy and Cara best friends for ten years love regular lemonade not pink lemonade

Mandy and Cara, best friends for ten years, love regular lemonade, not pink lemonade

200

Only female mosquitos are bloodsuckers, because they need the protein to produce eggs, male mosquitos feast on nectar from flowers.

Only female mosquitos are bloodsuckers because they need the protein to produce eggs. Male mosquitos feast on nectar from flowers.

200

The interviewer asked "Shirley what is your absolute favorite book out of all the wonderful fascinating ones you have ever read?"

The interviewer asked, "Shirley, what is your absolute favorite book out of all the wonderful, fascinating ones you have ever read?"

300

To protect its pride of ostriches a male ostrich sends out a loud roar-like call that is often mistaken for a lion's roar.

To protect its pride of ostriches, a male ostrich sends out a loud, roar-like call that is often mistaken for a lion's roar.

300

Whenever Billy sees a 3D movie, he chews his fingernails in anticipation of something jumping out at him. 

Correct.

300

This salty buttery popcorn is the best isn't it?

This salty, buttery popcorn is the best, isn't it?

300

In order to eat food flies must spit up digestive acidic juices in their stomach to make the food mushy so they can slurp it like a drink.

In order to eat food, flies must spit up digestive, acidic juices in their stomach to make the food mushy, so they can slurp it like a drink.

300

Arnold is the nicest boy in class for he stands up to bullies and will not let kids be mean to each other in his presence.

Arnold is the nicest boy in class, for he stands up to bullies and will not let kids be mean to each other in his presence.

400

"What do you think," asked Alan "about going to Atlantic Beach for the day?"

"What do you think," asked Alan, "about going to Atlantic Beach for the day?"

400

"Do you see the squirrel by that tree Joe?" asked Paige. "Yes I do. Should we try to pet it?" answered Joe.

"Do you see the squirrel by that tree, Joe?" asked Paige. "Yes, I do. Should we try to pet it?" answered Joe.

400

Rodney Hallis zoologist at San Diego Zoo in California had to feed the giraffe by a bottle because the mother giraffe was very sick.

Rodney Hallis, zoologist at San Diego Zoo in California, had to feed the giraffe by a bottle because the mother giraffe was very sick.

400

The hummingbird is the only type of bird that can fly backward and its tiny wings can beat at an amazing 80 times per second. 

The hummingbird is the only type of bird that can fly backward, and its tiny wings can beat at an amazing 80 times per second.

400

We yearn to go surfing in Honolulu Hawaii so badly that we are going to schedule flights and hotels for May 2015.

We yearn to go surfing in Honolulu, Hawaii, so badly that we are going to schedule flights and hotels for May 2015.

500

Sheila we learned in science class that butterflies taste with their feet right?

Sheila, we learned in science class that butterflies taste with their feet, right?

500

Sandra's dream vacation is to rent a hut near the beautiful majestic sea and relax with her family.

Sandra's dream vacation is to rent a hut near the beautiful, majestic sea and relax with her family.

500

Though Lisa Charles R.N loves nursing she plans to keep her options open for other job opportunities.

Though Lisa Charles, R.N., loves nursing, she plans to keep her options open for other job opportunities.

500

The apprehensive fearful child ran out of the doctor's office to avoid getting a flu shot.

The apprehensive, fearful child ran out of the doctor's office to avoid getting a flu shot.

500

Many of the animals at the zoo tried to come near us, and take our food, but there was one gorilla who seemed to care less. In fact it just sat there with a bored nonchalant look in its face.

Many of the animals at the zoo tried to come near us and take our food, but there was one gorilla who seemed to care less. In fact, it just sat there with a bored, nonchalant look on its face.

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