Question

change the sentences into negative form
mudar as frases em forma negativa

they are good doctors
she is my friend

Answer 1

They aren't good doctors/ they are not good doctors
She isn't my friend/ she is not my friend

Answer 2

Olá!
Mudando as frases para a forma negativa:
They are good doctor:They aren't good doctors or They are not good doctors.
She is my friend: She isn't my friend or She is not my friend.
Espero ter ajudado.