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Subject-Verb Agreement
100

My sister’s birthday is today I have not bought a present.  

My sister's birthday is today; I have not bought a present. 

100

The house rules are simple, clean up after yourself!

The house rules are simple - clean up after yourself!

100

I studied hard for the exam: because I wanted to get a good grade.

I studied hard for the exam because I wanted to get a good grade.

100

Neither the book nor the papers was found.

Neither the book nor the papers were found. 

200

Cats are playful, dogs, on the other hand, are loyal.

Cats are playful; dogs, on the other hand, are loyal.

200

After weeks of deliberation, the jurors reached a verdict: guilty.

After weeks of deliberation, the jurors reached a verdict - guilty.

200
The grocery list included: bread, milk, apples, bananas, and eggs.

The grocery list included bread, milk, apples, bananas, and eggs.

200

The group of students are excited about the trip.

The group of students is excited about the trip.

300

I lift weights because it will help condition me for sports.

I lift weights; it will help condition me for sports.

300

He asked-well, more like demanded, to be seen at the clinic.

He asked - well more like demanded - to be seen at the clinic. 

300

There are many different types of sports, including: volleyball, football, and swimming.

There are many different types of sports, including volleyball, football, and swimming. 

300

I goes to the gym after work.

I go to the gym after work.