Question

Passem as frases do Present Perfect para a forma interrogativa e negativa

we have visited the doctor
she has washed the car
you have worked at that factory

Answer 1

1- interrogativa --> Have we visited doctor?
    negativa --> We haven't visited doctor.

2- int. --> Has she washed her hands?
    neg. --> She hasn't washed her hands.

3- int. -->Have you worked at the factory?
    neg. --> You haven't worked at the factory.