The marker is red.
Is the marker red?
Mary is not a teacher.
SHE is not a teacher.
Are you happy today?
✅
✅ Yes, I am.
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.
Is she a doctor?
❌
❌ No, she isn’t.
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?
Are they from Spain?
❌
❌ No, they aren’t.
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?
Is Kevin a student?
❌
❌ No, he isn't
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.
Is the book on the table?
✅
✅ Yes, it is.
My father isen't ugly.
WRONG: My father ISN'T ugly.