Atención, este verbo puede no existir, se da como ejemplo la conjugación.
Afirmación
Forma simple
I can prefacer you can prefacer he can prefacer we can prefacer you can prefacer they can prefacer
Forma con V-ing
I can be prefacering you can be prefacering he can be prefacering we can be prefacering you can be prefacering they can be prefacering
Perfecto
I can have prefacered you can have prefacered he can have prefacered we can have prefacered you can have prefacered they can have prefacered
Perfecto con V-ing
I can have been prefacering you can have been prefacering he can have been prefacering we can have been prefacering you can have been prefacering they can have been prefacering
Negación
Forma simple
I cannot prefacer you cannot prefacer he cannot prefacer we cannot prefacer you cannot prefacer they cannot prefacer
Forma con V-ing
I cannot be prefacering you cannot be prefacering he cannot be prefacering we cannot be prefacering you cannot be prefacering they cannot be prefacering
Perfecto
I cannot have prefacered you cannot have prefacered he cannot have prefacered we cannot have prefacered you cannot have prefacered they cannot have prefacered
Perfecto con V-ing
I cannot have been prefacering you cannot have been prefacering he cannot have been prefacering we cannot have been prefacering you cannot have been prefacering they cannot have been prefacering
Forma interrogativa
Forma simple
can I prefacer? can you prefacer? can he prefacer? can we prefacer? can you prefacer? can they prefacer?
Forma con V-ing
can I be prefacering? can you be prefacering? can he be prefacering? can we be prefacering? can you be prefacering? can they be prefacering?
Perfecto
can I have prefacered? can you have prefacered? can he have prefacered? can we have prefacered? can you have prefacered? can they have prefacered?
Perfecto con V-ing
can I have been prefacering? can you have been prefacering? can he have been prefacering? can we have been prefacering? can you have been prefacering? can they have been prefacering?
Forma interro-negativa
Forma simple
can I not prefacer? can you not prefacer? can he not prefacer? can we not prefacer? can you not prefacer? can they not prefacer?
Forma con V-ing
can I not be prefacering? can you not be prefacering? can he not be prefacering? can we not be prefacering? can you not be prefacering? can they not be prefacering?
Perfecto
can I not have prefacered? can you not have prefacered? can he not have prefacered? can we not have prefacered? can you not have prefacered? can they not have prefacered?
Perfecto con V-ing
can I not have been prefacering? can you not have been prefacering? can he not have been prefacering? can we not have been prefacering? can you not have been prefacering? can they not have been prefacering?