I can postpone you can postpone he can postpone we can postpone you can postpone they can postpone
Forma con V-ing
I can be postponing you can be postponing he can be postponing we can be postponing you can be postponing they can be postponing
Perfecto
I can have postponed you can have postponed he can have postponed we can have postponed you can have postponed they can have postponed
Perfecto con V-ing
I can have been postponing you can have been postponing he can have been postponing we can have been postponing you can have been postponing they can have been postponing
Negación
Forma simple
I cannot postpone you cannot postpone he cannot postpone we cannot postpone you cannot postpone they cannot postpone
Forma con V-ing
I cannot be postponing you cannot be postponing he cannot be postponing we cannot be postponing you cannot be postponing they cannot be postponing
Perfecto
I cannot have postponed you cannot have postponed he cannot have postponed we cannot have postponed you cannot have postponed they cannot have postponed
Perfecto con V-ing
I cannot have been postponing you cannot have been postponing he cannot have been postponing we cannot have been postponing you cannot have been postponing they cannot have been postponing
Forma interrogativa
Forma simple
can I postpone? can you postpone? can he postpone? can we postpone? can you postpone? can they postpone?
Forma con V-ing
can I be postponing? can you be postponing? can he be postponing? can we be postponing? can you be postponing? can they be postponing?
Perfecto
can I have postponed? can you have postponed? can he have postponed? can we have postponed? can you have postponed? can they have postponed?
Perfecto con V-ing
can I have been postponing? can you have been postponing? can he have been postponing? can we have been postponing? can you have been postponing? can they have been postponing?
Forma interro-negativa
Forma simple
can I not postpone? can you not postpone? can he not postpone? can we not postpone? can you not postpone? can they not postpone?
Forma con V-ing
can I not be postponing? can you not be postponing? can he not be postponing? can we not be postponing? can you not be postponing? can they not be postponing?
Perfecto
can I not have postponed? can you not have postponed? can he not have postponed? can we not have postponed? can you not have postponed? can they not have postponed?
Perfecto con V-ing
can I not have been postponing? can you not have been postponing? can he not have been postponing? can we not have been postponing? can you not have been postponing? can they not have been postponing?