Question

passa as frases firmativas em negativa e interrogativa . he is a doctor? they are crazy ? we are happy?

Answer 1

Afirmative                 negative 
He is a doctor .       He isn' t a doctor . 
They are crazy .     They aren't crazy 
We are happy.         We aren't happy 

Answer 2

negativa=He is not a doctor
interrogativa= Is he a doctor?

negativa=They are not crazy
interrogativa=Are they crazy?

negativa=We are not happy
interrogativa=Are we happy?