I could climb you could climb he could climb we could climb you could climb they could climb
Forma com V-ing
I could be climbing you could be climbing he could be climbing we could be climbing you could be climbing they could be climbing
Perfeito
I could have climbed you could have climbed he could have climbed we could have climbed you could have climbed they could have climbed
Perfeito com V-ing
I could have been climbing you could have been climbing he could have been climbing we could have been climbing you could have been climbing they could have been climbing
Negação
Forma simple
I could not climb you could not climb he could not climb we could not climb you could not climb they could not climb
Forma com V-ing
I could not be climbing you could not be climbing he could not be climbing we could not be climbing you could not be climbing they could not be climbing
Perfeito
I could not have climbed you could not have climbed he could not have climbed we could not have climbed you could not have climbed they could not have climbed
Perfeito com V-ing
I could not have been climbing you could not have been climbing he could not have been climbing we could not have been climbing you could not have been climbing they could not have been climbing
Forma interrogativa
Forma simple
could I climb? could you climb? could he climb? could we climb? could you climb? could they climb?
Forma com V-ing
could I be climbing? could you be climbing? could he be climbing? could we be climbing? could you be climbing? could they be climbing?
Perfeito
could I have climbed? could you have climbed? could he have climbed? could we have climbed? could you have climbed? could they have climbed?
Perfeito com V-ing
could I have been climbing? could you have been climbing? could he have been climbing? could we have been climbing? could you have been climbing? could they have been climbing?
Forma interro-Negação
Forma simple
could I not climb? could you not climb? could he not climb? could we not climb? could you not climb? could they not climb?
Forma com V-ing
could I not be climbing? could you not be climbing? could he not be climbing? could we not be climbing? could you not be climbing? could they not be climbing?
Perfeito
could I not have climbed? could you not have climbed? could he not have climbed? could we not have climbed? could you not have climbed? could they not have climbed?
Perfeito com V-ing
could I not have been climbing? could you not have been climbing? could he not have been climbing? could we not have been climbing? could you not have been climbing? could they not have been climbing?