Dan was late, we left without him.
Incorrect (comma splice)
I completed my assignment. However, I have not submitted it.
Correct
I am not angry with you, I am not happy with you, either.
Incorrect (comma splice)
My favorite Mediterranean spread is hummus it is very garlicky.
Incorrect (run-on)
Mary came home from work early, she had been feeling ill all morning.
Correct
Although there are some strong arguments in favor of higher taxes.
Incorrect (fragment)
Because of the rain, the party was canceled.
Correct
Knowing that Phil would be furious when he arrived home, Sarah decided to go out for dinner with her friends.
Correct
The tall tree, the one that I loved to climb.
Incorrect (fragment)
Knowing that he was in big trouble.
Incorrect (fragment)
Ran as fast as he could.
Incorrect (fragment)
I completed my essay, but I have not submitted it.
Correct
Raffi sings upbeat children’s songs he is an excellent musician.
Incorrect (run-on)
I will watch The Office you do your homework
Incorrect (run-on)