I could presume you could presume he could presume we could presume you could presume they could presume
Forme en V-ing
I could be presuming you could be presuming he could be presuming we could be presuming you could be presuming they could be presuming
Perfect
I could have presumed you could have presumed he could have presumed we could have presumed you could have presumed they could have presumed
Perfect en V-ing
I could have been presuming you could have been presuming he could have been presuming we could have been presuming you could have been presuming they could have been presuming
Négation
Forme simple
I couldn't presume you couldn't presume he couldn't presume we couldn't presume you couldn't presume they couldn't presume
Forme en V-ing
I couldn't be presuming you couldn't be presuming he couldn't be presuming we couldn't be presuming you couldn't be presuming they couldn't be presuming
Perfect
I couldn't have presumed you couldn't have presumed he couldn't have presumed we couldn't have presumed you couldn't have presumed they couldn't have presumed
Perfect en V-ing
I couldn't have been presuming you couldn't have been presuming he couldn't have been presuming we couldn't have been presuming you couldn't have been presuming they couldn't have been presuming
Forme interrogative
Forme simple
could I presume? could you presume? could he presume? could we presume? could you presume? could they presume?
Forme en V-ing
could I be presuming? could you be presuming? could he be presuming? could we be presuming? could you be presuming? could they be presuming?
Perfect
could I have presumed? could you have presumed? could he have presumed? could we have presumed? could you have presumed? could they have presumed?
Perfect en V-ing
could I have been presuming? could you have been presuming? could he have been presuming? could we have been presuming? could you have been presuming? could they have been presuming?
Forme interro-négative
Forme simple
couldn't I presume? couldn't you presume? couldn't he presume? couldn't we presume? couldn't you presume? couldn't they presume?
Forme en V-ing
couldn't I be presuming? couldn't you be presuming? couldn't he be presuming? couldn't we be presuming? couldn't you be presuming? couldn't they be presuming?
Perfect
couldn't I have presumed? couldn't you have presumed? couldn't he have presumed? couldn't we have presumed? couldn't you have presumed? couldn't they have presumed?
Perfect en V-ing
couldn't I have been presuming? couldn't you have been presuming? couldn't he have been presuming? couldn't we have been presuming? couldn't you have been presuming? couldn't they have been presuming?