I could presume you could presume she could presume we could presume you could presume they could presume
Forma con V-ing
I could be presuming you could be presuming she could be presuming we could be presuming you could be presuming they could be presuming
Perfecto
I could have presumed you could have presumed she could have presumed we could have presumed you could have presumed they could have presumed
Perfecto con V-ing
I could have been presuming you could have been presuming she could have been presuming we could have been presuming you could have been presuming they could have been presuming
Negación
Forma simple
I could not presume you could not presume she could not presume we could not presume you could not presume they could not presume
Forma con V-ing
I could not be presuming you could not be presuming she could not be presuming we could not be presuming you could not be presuming they could not be presuming
Perfecto
I could not have presumed you could not have presumed she could not have presumed we could not have presumed you could not have presumed they could not have presumed
Perfecto con V-ing
I could not have been presuming you could not have been presuming she could not have been presuming we could not have been presuming you could not have been presuming they could not have been presuming
Forma interrogativa
Forma simple
could I presume? could you presume? could she presume? could we presume? could you presume? could they presume?
Forma con V-ing
could I be presuming? could you be presuming? could she be presuming? could we be presuming? could you be presuming? could they be presuming?
Perfecto
could I have presumed? could you have presumed? could she have presumed? could we have presumed? could you have presumed? could they have presumed?
Perfecto con V-ing
could I have been presuming? could you have been presuming? could she have been presuming? could we have been presuming? could you have been presuming? could they have been presuming?
Forma interro-negativa
Forma simple
could I not presume? could you not presume? could she not presume? could we not presume? could you not presume? could they not presume?
Forma con V-ing
could I not be presuming? could you not be presuming? could she not be presuming? could we not be presuming? could you not be presuming? could they not be presuming?
Perfecto
could I not have presumed? could you not have presumed? could she not have presumed? could we not have presumed? could you not have presumed? could they not have presumed?
Perfecto con V-ing
could I not have been presuming? could you not have been presuming? could she not have been presuming? could we not have been presuming? could you not have been presuming? could they not have been presuming?