I could unhitch you could unhitch he could unhitch we could unhitch you could unhitch they could unhitch
Forma com 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
Perfeito
I could have unhitched you could have unhitched he could have unhitched we could have unhitched you could have unhitched they could have unhitched
Perfeito com 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
Negação
Forma 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
Forma com 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
Perfeito
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
Perfeito com 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
Forma interrogativa
Forma simple
could I unhitch? could you unhitch? could he unhitch? could we unhitch? could you unhitch? could they unhitch?
Forma com 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?
Perfeito
could I have unhitched? could you have unhitched? could he have unhitched? could we have unhitched? could you have unhitched? could they have unhitched?
Perfeito com 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?
Forma interro-Negação
Forma 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?
Forma com 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?
Perfeito
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?
Perfeito com 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?