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