Is she a scientist?
Yes, she is.
Is he a dentist?
Yes, he is.
Is he a police officer?
No, he isn't (is not).
Is he a farmer?
No, he isn't (is not).
Is she a vet?
Yes, she is.
Is he an engineer?
Yes, he is.
Is she a doctor?
No, she isn't (is not).
Is he a CEO?
Yes, he is.
Are they lawyers?
Yes, they are.
Are they students?
No, they aren't (are not).
Is this a computer?
No, it isn't (is not).
Are these elephants?
Yes, they are.
Is she happy?
No, she is not (isn't).
Is he sad?
No, he is not (isn't).
Are those horses?
No, they are not (aren't).
Is that a watermelon?
Yes, it is.
