I could organize you could organize he could organize we could organize you could organize they could organize
Forma com V-ing
I could be organizing you could be organizing he could be organizing we could be organizing you could be organizing they could be organizing
Perfeito
I could have organized you could have organized he could have organized we could have organized you could have organized they could have organized
Perfeito com V-ing
I could have been organizing you could have been organizing he could have been organizing we could have been organizing you could have been organizing they could have been organizing
Negação
Forma simple
I could not organize you could not organize he could not organize we could not organize you could not organize they could not organize
Forma com V-ing
I could not be organizing you could not be organizing he could not be organizing we could not be organizing you could not be organizing they could not be organizing
Perfeito
I could not have organized you could not have organized he could not have organized we could not have organized you could not have organized they could not have organized
Perfeito com V-ing
I could not have been organizing you could not have been organizing he could not have been organizing we could not have been organizing you could not have been organizing they could not have been organizing
Forma interrogativa
Forma simple
could I organize? could you organize? could he organize? could we organize? could you organize? could they organize?
Forma com V-ing
could I be organizing? could you be organizing? could he be organizing? could we be organizing? could you be organizing? could they be organizing?
Perfeito
could I have organized? could you have organized? could he have organized? could we have organized? could you have organized? could they have organized?
Perfeito com V-ing
could I have been organizing? could you have been organizing? could he have been organizing? could we have been organizing? could you have been organizing? could they have been organizing?
Forma interro-Negação
Forma simple
could I not organize? could you not organize? could he not organize? could we not organize? could you not organize? could they not organize?
Forma com V-ing
could I not be organizing? could you not be organizing? could he not be organizing? could we not be organizing? could you not be organizing? could they not be organizing?
Perfeito
could I not have organized? could you not have organized? could he not have organized? could we not have organized? could you not have organized? could they not have organized?
Perfeito com V-ing
could I not have been organizing? could you not have been organizing? could he not have been organizing? could we not have been organizing? could you not have been organizing? could they not have been organizing?