The marker is red.
Is the marker red?
Mary is not a teacher.
SHE is not a teacher.
What is your name?
My name is...
I amn't friendly.
WRONG: I am not friendly/ I'm not friendly.
The clocks are on the wall.
Are the clocks on the wall?
You and Jane aren't in the classroom.
YOU aren't in the classroom.
What's your phone number?
It's...
My friend and I am very intelligent.
WRONG: My friend and I ARE very intelligent (we)
The students are in the classroom.
Are the students in the classroom?
Are Joseph and Susan at home?
Are THEY at home?
How are you?
I am...
The books are in the bookcase?
WRONG: Are the books in the bookcase?
Your name is Ana.
Is your name Ana?
Is my cat friendly?
Is IT friendly?
What's your email address?
It's...
They isn't in class.
WRONG: They're not / aren't in class.
They are teachers.
The men aren't teachers.
You and your brother are tall.
You and I aren't in Math class.
WE aren't in Math class.
Where's your mom / dad?
She / He is...
My father isen't ugly.
WRONG: My father ISN'T ugly.