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