Apostrophe
He was playing with the childs toy.
Child's
Cats can be either right-pawed dominate or left-pawed dominant.
No comma
He sold it for a high price on Amazon.
Simple
They're car was waiting for them on the street.
Their
What is Houston Zoo?
The Houston Zoo had all types of animals.
Proper Noun
Mrs. Lilleys little boy was turning 2 this weekend.
Lilley's
Millions of monarch butterflies fly to Mexico every winter and they are the only insect that migrates to warmer climates.
Comma between winter and and.
I went running, but Emily stayed inside.
Compound
She was hanging out with her freinds.
Friends
The graceful tiger was running through the jungle.
Adjective- graceful
Verb- running
Its often said that every dog has its day.
It's (the first It's)
Alex loved to eat pumpkin pancakes so they were served as a breakfast treat.
Comma between pancakes and so
I like to eat popcorn before I watch a movie.
Complex
They were doing a project at the new york public library.
New York Public Library
What is the conjunction?
It was a long day because he had a lot of work to do.
Because
They were having a party at the Smiths vacation house
Smith's
Snow cones were not popular until Samuel Bert began selling them at the 1919 Texas State Fair.
No comma
I'd promised I'd finish my chores by noon, so I can't go to a movie with you.
Compound
They had to belive in one another.
Believe
Which words are the Pronouns?
She was waiting for you in the library.
She
You
During the class musical, the students costumes were lost.
Student's
Before NASA sends humans to Mars they must study the current weather radiation and dusty environment of our neighbor planet.
Comma between Mars and they, weather and radiation, radiation and and.
Having a party is a bad idea because the neighbors will complain.
Complex
They knew what they did was write.
Right
What is at?
He eats lunch at noon.
Preposition