Rules
A letter used with affirmative verbs using he, she or it
What is: an -s?
He/walk/to the drugstore
What is: He doesn't walk to the drugstore.
He/brush/teeth
What is: He brushes his teeth.
She/go to the movies/on weekdays?
What is: Does she go to the movies on weekdays?
Is she your mother? No
What is: "No, she isn't"
An auxiliary used for questions involving I or You
What is: Do?
I/buy candy
What is: I don't buy candy.
She/eat breakfast
What is: She eats breakfast.
You/artist?
What is: Are you an artist?
Are those your pencils? Yes.
What is: Yes, they are.
It is usually put at the beginning of a yes/no question?
What is: an auxiliary?
They/teachers
What is: They aren't teachers.
I/artist
What is: I am an artist.
Her children/play board games?
What is: Do her children play board games?
Do you eat breakfast every day? No.
What is: No, I don't
It is an auxiliary used in sentences with I or you, in front of the main verb, to denote negation
What is: don't?
She/comb/hair
What is: She doesn't comb her hair.
You/singer
What is: You are a singer.
Her husband/exercise/in the park?
What is: Does her husband exercise in the park?
Does teacher Maria speak in English in class? Yes.
What is: Yes, she does.
It is a verb that doesn't need an auxiliary since it can state affirmative or negative sentences on its own
What is: verb to be?
You/eat breakfast
What is: You don't eat breakfast.
It/scratch/all over
What is: It scratches all over.
The family/happy?
What is: Is the family happy?
Is she a model? No.
What is: No, she isn't.