Is your name Mariana?
No, it's not.
Is your dad from Goiânia
Yes, he is. / No, he isn't.
Is "bom dia" good morning in English?
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.
Is Brazil in South America?
Yes, it is.
Is he Ronaldo?
Yes, he is.
Is math your favorite school subject?
Yes, it is. / No, it isn't.
Is it an apple?
No, it isn't.
Is your teacher Brazilian?
Yes, she is.
Is she Ivete Sangalo?
Yes, she is.
Are you an English student?
Yes, I am.
Are your classes interesting?
Yes, they are. / No, they aren't.
Are you at school now?
No, I'm not.
Are you an accountant?
Yes, I am. / No, I'm not.
Are you from Mexico?
No, I'm not.
Are you and your family Brazilian?
Yes, we are. / No, we aren't.
Are they Barack and Michelle Obama?
Yes, they are.