She is a silly girl.
silly
She quickly ran to the store for milk.
I love my mom, because she is always there for me.
She-mom
We went to my favorite movie theater.
Simple
My little sister, Sally, loves to watch cartoons and color in her coloring books.
Compound predicate
She likes the colors black blue and purple.
She likes the colors black, blue, and purple.
Sometimes he makes tasty snacks.
tasty
Sometimes he makes tasty snacks.
Sometimes
Samantha and Lola are good friends, because they are in the same class.
They-Samantha and Lola
He met my mom, and I met his dad.
Compound
Sally and Sam play together all day long.
Compound Subject
My daughter Lola is my favorite person.
My daughter, Lola, is my favorite person.
January has been the coldest month during the long winter.
coldest, long
She sat silently in the dark before going to sleep.
silently, before
The dog loves its bed.
its-dog
Since we were both in the same class, we went on the field trip together.
Complex
Randall could be a good student if he would study and take his time on assignments.
Compound Predicate
Since we were already in the neighborhood we stopped to see my aunt.
Since we were already in the neighborhood, we stopped to see my aunt.
Since my last birthday, I have been planning the ultimate party for my best friends.
last, ultimate, best
Sam reluctantly gave me his last dollar after my purse was stolen.
reluctantly, after
Malcolm met his grandmother before she passed away.
She- grandmother
Winston loves being a dad, but he hates changing diapers.
compound
I went to the mall to look for a prom dress.
Neither
I wanted to become a teacher when I was a child.
No commas needed.
Before the first day of school, my sweet mother took me to get the coolest shoes and freshest clothes.
first, sweet, coolest, freshest
She sat alone on the park bench patiently waiting for her father.
alone, patiently
Freddy and Steven has the same dad, since they are brothers.
they- Freddy and Steven
I went to the grocery store last night to get things to make for our annual picnic at the lake house.
Simple
Compound Subject and Predicate
William is my friend from childhood but his twin brother is a monster.
William is my friend from childhood, but his twin brother is a monster.