Question

PASSE PARA FORMA NEGATIVA: bob is here, he is raul, she is mary, you are students, it is a dog

Answer 1

bob isn´t here, he isn´t raul, she isn´t mary, you aren´t students, it isn´t a dog

Answer 2

Bob is not here
He is not Raul
She is not Mary
You are not students
It is not a dog.

Espero ter ajudado.