ПОМОГИТЕ НАПИСАТЬ ПРАВИЛЬНО. +They boy is a student - ? кр+ кр- Her friends are pupils. - ? кр+ к?

+ The boy is a student. - The boy is not a student. ? Is the boy ia student? кр+ Yes, he is. кр- No, he isn't. + Her friends are pupils. - Her friends are not pupils. ? Are her friends pupils? кр+ Yes, they are. кр-  No, they aren't.