Oraciones que utilizan el presente perfecto en forma (afiramativa).

A:Alejandro has studied english.
N:Alejandro hasn't studied english.
I:Has Alejandro studied english.


A:Cecilia has worked in the Ramon Ayala.
N:Cecilia hasn't worked in the Ramon Ayala.
I:Has Cecili worked in the Ramon Ayala.

A:Nicolas has traveled a Veracruz.
N:Nicolas hasn't traveled a Veracruz.
I:Has Nicolas traveled a Veracruz.