I could decree you could decree she could decree we could decree you could decree they could decree
Forme en V-ing
I could be decreeing you could be decreeing she could be decreeing we could be decreeing you could be decreeing they could be decreeing
Perfect
I could have decreed you could have decreed she could have decreed we could have decreed you could have decreed they could have decreed
Perfect en V-ing
I could have been decreeing you could have been decreeing she could have been decreeing we could have been decreeing you could have been decreeing they could have been decreeing
Négation
Forme simple
I couldn't decree you couldn't decree she couldn't decree we couldn't decree you couldn't decree they couldn't decree
Forme en V-ing
I couldn't be decreeing you couldn't be decreeing she couldn't be decreeing we couldn't be decreeing you couldn't be decreeing they couldn't be decreeing
Perfect
I couldn't have decreed you couldn't have decreed she couldn't have decreed we couldn't have decreed you couldn't have decreed they couldn't have decreed
Perfect en V-ing
I couldn't have been decreeing you couldn't have been decreeing she couldn't have been decreeing we couldn't have been decreeing you couldn't have been decreeing they couldn't have been decreeing
Forme interrogative
Forme simple
could I decree? could you decree? could she decree? could we decree? could you decree? could they decree?
Forme en V-ing
could I be decreeing? could you be decreeing? could she be decreeing? could we be decreeing? could you be decreeing? could they be decreeing?
Perfect
could I have decreed? could you have decreed? could she have decreed? could we have decreed? could you have decreed? could they have decreed?
Perfect en V-ing
could I have been decreeing? could you have been decreeing? could she have been decreeing? could we have been decreeing? could you have been decreeing? could they have been decreeing?
Forme interro-négative
Forme simple
couldn't I decree? couldn't you decree? couldn't she decree? couldn't we decree? couldn't you decree? couldn't they decree?
Forme en V-ing
couldn't I be decreeing? couldn't you be decreeing? couldn't she be decreeing? couldn't we be decreeing? couldn't you be decreeing? couldn't they be decreeing?
Perfect
couldn't I have decreed? couldn't you have decreed? couldn't she have decreed? couldn't we have decreed? couldn't you have decreed? couldn't they have decreed?
Perfect en V-ing
couldn't I have been decreeing? couldn't you have been decreeing? couldn't she have been decreeing? couldn't we have been decreeing? couldn't you have been decreeing? couldn't they have been decreeing?