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