I can umber you can umber he can umber we can umber you can umber they can umber
Forma con V-ing
I can be umbering you can be umbering he can be umbering we can be umbering you can be umbering they can be umbering
Perfecto
I can have umbered you can have umbered he can have umbered we can have umbered you can have umbered they can have umbered
Perfecto con V-ing
I can have been umbering you can have been umbering he can have been umbering we can have been umbering you can have been umbering they can have been umbering
Negación
Forma simple
I cannot umber you cannot umber he cannot umber we cannot umber you cannot umber they cannot umber
Forma con V-ing
I cannot be umbering you cannot be umbering he cannot be umbering we cannot be umbering you cannot be umbering they cannot be umbering
Perfecto
I cannot have umbered you cannot have umbered he cannot have umbered we cannot have umbered you cannot have umbered they cannot have umbered
Perfecto con V-ing
I cannot have been umbering you cannot have been umbering he cannot have been umbering we cannot have been umbering you cannot have been umbering they cannot have been umbering
Forma interrogativa
Forma simple
can I umber? can you umber? can he umber? can we umber? can you umber? can they umber?
Forma con V-ing
can I be umbering? can you be umbering? can he be umbering? can we be umbering? can you be umbering? can they be umbering?
Perfecto
can I have umbered? can you have umbered? can he have umbered? can we have umbered? can you have umbered? can they have umbered?
Perfecto con V-ing
can I have been umbering? can you have been umbering? can he have been umbering? can we have been umbering? can you have been umbering? can they have been umbering?
Forma interro-negativa
Forma simple
can I not umber? can you not umber? can he not umber? can we not umber? can you not umber? can they not umber?
Forma con V-ing
can I not be umbering? can you not be umbering? can he not be umbering? can we not be umbering? can you not be umbering? can they not be umbering?
Perfecto
can I not have umbered? can you not have umbered? can he not have umbered? can we not have umbered? can you not have umbered? can they not have umbered?
Perfecto con V-ing
can I not have been umbering? can you not have been umbering? can he not have been umbering? can we not have been umbering? can you not have been umbering? can they not have been umbering?