Attention, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.
Affirmation
Forme simple
I could step step you could step step she could step step we could step step you could step step they could step step
Forme en V-ing
I could be step steping you could be step steping she could be step steping we could be step steping you could be step steping they could be step steping
Perfect
I could have step steped you could have step steped she could have step steped we could have step steped you could have step steped they could have step steped
Perfect en V-ing
I could have been step steping you could have been step steping she could have been step steping we could have been step steping you could have been step steping they could have been step steping
Négation
Forme simple
I could not step step you could not step step she could not step step we could not step step you could not step step they could not step step
Forme en V-ing
I could not be step steping you could not be step steping she could not be step steping we could not be step steping you could not be step steping they could not be step steping
Perfect
I could not have step steped you could not have step steped she could not have step steped we could not have step steped you could not have step steped they could not have step steped
Perfect en V-ing
I could not have been step steping you could not have been step steping she could not have been step steping we could not have been step steping you could not have been step steping they could not have been step steping
Forme interrogative
Forme simple
could I step step? could you step step? could she step step? could we step step? could you step step? could they step step?
Forme en V-ing
could I be step steping? could you be step steping? could she be step steping? could we be step steping? could you be step steping? could they be step steping?
Perfect
could I have step steped? could you have step steped? could she have step steped? could we have step steped? could you have step steped? could they have step steped?
Perfect en V-ing
could I have been step steping? could you have been step steping? could she have been step steping? could we have been step steping? could you have been step steping? could they have been step steping?
Forme interro-négative
Forme simple
could I not step step? could you not step step? could she not step step? could we not step step? could you not step step? could they not step step?
Forme en V-ing
could I not be step steping? could you not be step steping? could she not be step steping? could we not be step steping? could you not be step steping? could they not be step steping?
Perfect
could I not have step steped? could you not have step steped? could she not have step steped? could we not have step steped? could you not have step steped? could they not have step steped?
Perfect en V-ing
could I not have been step steping? could you not have been step steping? could she not have been step steping? could we not have been step steping? could you not have been step steping? could they not have been step steping?