If you can answer the question with a "he" or "she," use "who" in the sentence.
Question: Who threw the pencil at me?
Answer: He threw the pencil at me.
Create a question in your mind out of a "who" sentence.
Sentence: Who loves to read the newspaper?
In your mind think: Who loves to read? She loves to read. The conclusion is "who" is correct.
If you an answer the question with a "her" or "him," use "whom" in the sentence.
Question: To whom are you talking?
Answer: I am talking to her.
Create a question in your mind out of a "whom" sentence.
Statement: He only invited girls to the party whom he found attractive.
In your mind, create a question and the answer: Whom did he invite? He invited her to the party.
The sound effects on that movie were amazing.
What kind of effect did the sun have on the new plants.
The rain affected the outdoor wedding, so the party had to go inside.
How will that bad grade affect your GPA?
To: Use before a noun or verb.
I am going to the store.
I am going to buy chocolate
Two: Use for the #2
Please hand me two paintbrushes.
She has lost two sets of headphones.
Too: Use instead of "also."
Please buy some ice cream, too.
I ate too much ice cream.
I am going to give you two presents and a card, too.
The spider spent the day weaving its web.
Its dinner will be ready once a fly is entrapped.
It's his fault that we are late for the party. (it is)
It's been good knowing you. (it has)
I will ensure that he finishes his homework.
We ensure excellence in customer service and client relations.
In my state, it is the law to insure your car and house.
I will insure all my jewelry once I have them appraised.
His girlfriend's name is Summer.
Her favorite season is summer.
We are going to the Winter Olympics.
Where are you going skiing this winter?
What classes are you taking this fall?
What classes are you taking during the Fall Semester?
I love when the flowers bloom in spring.
Have you ever been to Spring, TX?