Are you from Mexico?
No, I'm not.
Are you at school now?
No, I'm not.
Is your name Mariana?
No, it's not.
Are you an English student?
Yes, I am.
Is your teacher Brazilian?
Yes, she is.
Are your classmates students?
Yes, they are.
Are you and your family Brazilian?
Yes, we are.
Are you and your classmates doctors?
No, we aren't.
Are you an accountant?
Yes, I am. / No, I'm not.
Is math your favorite school subject?
Yes, it is. / No, it isn't.
Are your classes interesting?
Yes, they are. / No, they aren't.
Is "bom dia" good morning in English?
Yes, it is.
Is Brazil in South America?
Yes, it is.
Are your classes in the morning?
Yes, they are. / No, they aren't.
Is "biology" a school subject?
Yes, it is. / No, it isn't.
