Question

Es una oración en presente perfecto:
She has been at the hospital
She have been at the hospital
She has been at the hospital

Es una oración en negativo en pasado perfecto :
I have not worked yesterday
I had not worked yesterday
I has not worked yesterday

Es una oración con going to
They is going to study tomorrow
They are going to study tomorrow
They going to study tomorrow

Es una oración en pasado perfecto :
We had watched tv all the day
We have watched tv all the day
We has watched tv all the day

Es una oración en presente perfecto en negativo:
I have not buy fruits yesterday
I has not buy fruits yesterday
I had not buy fruits yesterday

Answer 1

Respuesta: 1.- La primera y la tercera porque son lo mismo.

2.- I had not worked yesterday.

3.- They are going to study tomorrow.

4.- We had watched tv all the day.

5.- I have not buy fruits yesterday.

Explicación: El presente perfecto es: I/you/etc+has/have+el resto de la oración

El pasado perfecto es con had en vez de has o have