I could dock you could dock he could dock we could dock you could dock they could dock
Forma com V-ing
I could be docking you could be docking he could be docking we could be docking you could be docking they could be docking
Perfeito
I could have docked you could have docked he could have docked we could have docked you could have docked they could have docked
Perfeito com V-ing
I could have been docking you could have been docking he could have been docking we could have been docking you could have been docking they could have been docking
Negação
Forma simple
I couldn't dock you couldn't dock he couldn't dock we couldn't dock you couldn't dock they couldn't dock
Forma com V-ing
I couldn't be docking you couldn't be docking he couldn't be docking we couldn't be docking you couldn't be docking they couldn't be docking
Perfeito
I couldn't have docked you couldn't have docked he couldn't have docked we couldn't have docked you couldn't have docked they couldn't have docked
Perfeito com V-ing
I couldn't have been docking you couldn't have been docking he couldn't have been docking we couldn't have been docking you couldn't have been docking they couldn't have been docking
Forma interrogativa
Forma simple
could I dock? could you dock? could he dock? could we dock? could you dock? could they dock?
Forma com V-ing
could I be docking? could you be docking? could he be docking? could we be docking? could you be docking? could they be docking?
Perfeito
could I have docked? could you have docked? could he have docked? could we have docked? could you have docked? could they have docked?
Perfeito com V-ing
could I have been docking? could you have been docking? could he have been docking? could we have been docking? could you have been docking? could they have been docking?
Forma interro-Negação
Forma simple
couldn't I dock? couldn't you dock? couldn't he dock? couldn't we dock? couldn't you dock? couldn't they dock?
Forma com V-ing
couldn't I be docking? couldn't you be docking? couldn't he be docking? couldn't we be docking? couldn't you be docking? couldn't they be docking?
Perfeito
couldn't I have docked? couldn't you have docked? couldn't he have docked? couldn't we have docked? couldn't you have docked? couldn't they have docked?
Perfeito com V-ing
couldn't I have been docking? couldn't you have been docking? couldn't he have been docking? couldn't we have been docking? couldn't you have been docking? couldn't they have been docking?