I could patch you could patch he could patch we could patch you could patch they could patch
Forma com V-ing
I could be patching you could be patching he could be patching we could be patching you could be patching they could be patching
Perfeito
I could have patched you could have patched he could have patched we could have patched you could have patched they could have patched
Perfeito com V-ing
I could have been patching you could have been patching he could have been patching we could have been patching you could have been patching they could have been patching
Negação
Forma simple
I could not patch you could not patch he could not patch we could not patch you could not patch they could not patch
Forma com V-ing
I could not be patching you could not be patching he could not be patching we could not be patching you could not be patching they could not be patching
Perfeito
I could not have patched you could not have patched he could not have patched we could not have patched you could not have patched they could not have patched
Perfeito com V-ing
I could not have been patching you could not have been patching he could not have been patching we could not have been patching you could not have been patching they could not have been patching
Forma interrogativa
Forma simple
could I patch? could you patch? could he patch? could we patch? could you patch? could they patch?
Forma com V-ing
could I be patching? could you be patching? could he be patching? could we be patching? could you be patching? could they be patching?
Perfeito
could I have patched? could you have patched? could he have patched? could we have patched? could you have patched? could they have patched?
Perfeito com V-ing
could I have been patching? could you have been patching? could he have been patching? could we have been patching? could you have been patching? could they have been patching?
Forma interro-Negação
Forma simple
could I not patch? could you not patch? could he not patch? could we not patch? could you not patch? could they not patch?
Forma com V-ing
could I not be patching? could you not be patching? could he not be patching? could we not be patching? could you not be patching? could they not be patching?
Perfeito
could I not have patched? could you not have patched? could he not have patched? could we not have patched? could you not have patched? could they not have patched?
Perfeito com V-ing
could I not have been patching? could you not have been patching? could he not have been patching? could we not have been patching? could you not have been patching? could they not have been patching?