Subject/Verb Agreement
Comma Usage
Homonyms
Apostrophes
Indefinite Pronouns
100

The men are working tirelessly. 

The men is working tirelessly.

What is The men are working tirelessly.

100

Yes you may go. 

Yes, you may go.

What is Yes, you may go. 

100

The company wanted its business to be protected.

The company wanted it's business to be protected.

What is The company wanted its business to be protected. 

100

Mary is my youngest sisters' best friend. 

Mary is my youngest sister's best friend.

What is Mary is my youngest sister's best friend. 

100

Each must do their part.

Each must do his or her part.

What is Each must do their part.

200

Each of us are getting good results. 

Each of us is getting good results.

What is Each of us are getting good results.

200

Ed, are you coming with us?

Ed are you coming with us?

What is Ed, are you coming with us? 

200

Whenever Egor's family went to Disneyland, we wanted to go, too.

Whenever Egor's family went to Disneyland, we wanted to go, to.

What is Whenever Egor's family went to Disneyland, we wanted to go, too. 

200

Where are the athletes?

Where are the athletes'?

What is Where are the athletes? 

200

Some of the people is going by bus. 

Some of the people are going by bus.

What is Some of the people are going by bus. 

300

The cat, with her seven kittens, are in the garage.

 The cat, with her seven kittens, is in the garage.

What is The cat, with her seven kittens, are in the garage. 

300

Sandra, the mailwoman, is always punctual.

Sandra the mailwoman, is always punctual.

What is Sandra, the mailwoman, is always punctual. 

300

The principle was required to enforce the school's dress code policy. 

The principal was required to enforce the school's dress code policy.

What is The principal was required to enforce the school's dress code policy. 

300

The camper's gear is carried on their backs.

The campers' gear is carried on their backs.

What is The campers' gear is carried on their backs. 

300

Most of the animals are healthy.

Most of the animals is healthy.

What is Most of the animals are healthy. 

400

The band performs its Friday night routine.

The band perform its Friday night routine.

What is The band performs its Friday night routine. 

400

"I hope you complete your work," she said, "before you leave."

"I hope you complete your work" she said, "before you leave."

What is "I hope you complete your work," she said, "before you leave." 

400

My dad asked for their street address.

My dad asked for there street address.

What is My dad asked for their street address. 

400

The Dr.'s office hours are posted on the front door. 

The doctor's office hours are posted on the front door.

What is The doctor's office hours are posted on the front door. 

400

Many are happy to share their stories.

Many are happy to share his or her story.

What is Many are happy to share their stories.

500

Each of the men were ready to assist.

Each of the men was ready to assist.

What is Each of the men were ready to assist. 

500

Dear Mr. President,

Dear Mr. President:

What is Dear Mr. President, 

500

What kind of effect did the book have on you?

What kind of affect did the book have on you?

What is What kind of effect did the book have on you? 

500

Your the best friend I've ever had! 

You're the best friend I've ever had!

What is You're the best friend I've ever had!

500

One of the actor live near me. 

Both of the actors live near me.

What is Both of the actors live near me.

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