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