Knowing that Phil would be furious when he arrived home, Sarah decided to go out for dinner with her friends.
Correct
I completed my assignment. However, I have not submitted it.
Correct
Mary came home from work early, she had been feeling ill all morning.
Correct
My favorite restaurant is Sizeria it is delicious and it is cheap.
Incorrect (run-on)
Raffi sings upbeat children’s songs he is an excellent musician.
Incorrect (run-on)
The cute little baby take a two-hour nap.
Incorrect (Subject-Verb Mistake)
Although there are some people who usually support the candidates who have extreme policies.
Incorrect (fragment)
The cat hide in the woods.
Incorrect (Subject-Verb Mistake)
At the party, we danced, sang, and will not end until midnight.
Incorrect (Parallelism Mistake)
The tall tree, the one that I loved to climb.
Incorrect (fragment)
Knowing that he was in big trouble.
Incorrect (fragment)
Ohtani is excellent at batting, pitching, and Japanese.
Incorrect (Parallelism Mistake)
Dan was late, we left without him.
Incorrect (comma splice)
I will watch The Office you do your homework
Incorrect (run-on)
I am not angry with you, I am not happy with you, either.
Incorrect (comma splice)
Because of the rain, the party was canceled.
Correct
Ran as fast as he could.
Incorrect (fragment)
I completed my essay, but I have not submitted it.
Correct