Comma Splices
I love reading it is my favorite hobby.
I love reading. It is my favorite hobby. OR I love reading; it is... OR I love reading, so it is...
After school I go to practice.
After school, I go to practice.
The dogs tail wagged.
The dog's tail wagged. [one dog]
Because I was tired.
Fragment — needs independent clause: Because I was tired, I went to bed.
He don't like reading.
He doesn't like reading.
Montag was unhappy, he wanted more.
Montag was unhappy. He wanted more. / Montag was unhappy, so he wanted more.
Yes I will help you.
Yes, I will help you.
Its going to rain today.
It's going to rain today. [it is]
Running through the dark forest.
Fragment — Who was running? Running through the dark forest, Montag escaped.
Each of the students have a book.
Each of the students has a book. [Each is singular]
The dog was tired it slept all day.
The dog was tired, so it slept all day. / The dog was tired; it slept all day.
My teacher Mrs. Smith is very strict.
My teacher, Mrs. Smith, is very strict. [nonessential appositive]
The students backpacks are heavy.
The students' backpacks are heavy. OR The students's if you teach that style — but students' for plural.
The book on the table that I wanted to read.
Fragment — The book on the table that I wanted to read was gone.
Everyone need to bring their book.
Everyone needs to bring his or her book. / Everyone needs to bring their book. [if you accept singular they — but needs for subject-verb]
We went to the game we forgot our tickets.
We went to the game, but we forgot our tickets.
Faber who is a retired professor helps Montag.
Faber, who is a retired professor, helps Montag.
Theyre going to their house over there.
They're going to their house over there.
Montag hid the books he was scared Beatty would find them.
Run-on — Montag hid the books because he was scared Beatty would find them. / Montag hid the books; he was scared...
The group of friends were arguing.
The group of friends was arguing. [group is singular]
Clarisse asked questions Montag started to think for himself.
Clarisse asked questions, and Montag started to think for himself.
To be honest I didn't study for the test.
To be honest, I didn't study for the test.
The firemens helmets were black and Montag borrowed his friends book.
The firemen's helmets were black and Montag borrowed his friend's book.
Although Mildred watches TV all day she is still lonely and unhappy.
Run-on / missing comma — Although Mildred watches TV all day, she is still lonely and unhappy.
Neither Montag nor Mildred were happy.
Neither Montag nor Mildred was happy. [verb agrees with closest subject in nor/or]