Respuesta:
Anthony hasn't finished his homework yet
Sam has taken English classes this semester
John has known Susy since three months ago
How long have you worked in this company?
Kevin hasn't bougth enough food for the week.
Why have you taken that decision?
I have failed the semester two times.
Have you ever watched a horror movie alone?
Respuesta:
Anthony has not finished his homework yet.
Sam has taken English classes this semester.
John and Susy have known since three months ago.
How long have you worked in this company?
Kevin has not bought enough food for the week.
Why have you taken that decision?
I've failed the semester two times.
Have you ever watched a horror movie alone?
Explicación:
El presente perfecto se construye con los auxiliares Have o Has + Verbo en participio pasado.
El auxiliar Have se complementa con I - you - we - They.
El auxiliar Has se complementa con He - She - It
