I could devise you could devise she could devise we could devise you could devise they could devise
Forma com V-ing
I could be devising you could be devising she could be devising we could be devising you could be devising they could be devising
Perfeito
I could have devised you could have devised she could have devised we could have devised you could have devised they could have devised
Perfeito com V-ing
I could have been devising you could have been devising she could have been devising we could have been devising you could have been devising they could have been devising
Negação
Forma simple
I could not devise you could not devise she could not devise we could not devise you could not devise they could not devise
Forma com V-ing
I could not be devising you could not be devising she could not be devising we could not be devising you could not be devising they could not be devising
Perfeito
I could not have devised you could not have devised she could not have devised we could not have devised you could not have devised they could not have devised
Perfeito com V-ing
I could not have been devising you could not have been devising she could not have been devising we could not have been devising you could not have been devising they could not have been devising
Forma interrogativa
Forma simple
could I devise? could you devise? could she devise? could we devise? could you devise? could they devise?
Forma com V-ing
could I be devising? could you be devising? could she be devising? could we be devising? could you be devising? could they be devising?
Perfeito
could I have devised? could you have devised? could she have devised? could we have devised? could you have devised? could they have devised?
Perfeito com V-ing
could I have been devising? could you have been devising? could she have been devising? could we have been devising? could you have been devising? could they have been devising?
Forma interro-Negação
Forma simple
could I not devise? could you not devise? could she not devise? could we not devise? could you not devise? could they not devise?
Forma com V-ing
could I not be devising? could you not be devising? could she not be devising? could we not be devising? could you not be devising? could they not be devising?
Perfeito
could I not have devised? could you not have devised? could she not have devised? could we not have devised? could you not have devised? could they not have devised?
Perfeito com V-ing
could I not have been devising? could you not have been devising? could she not have been devising? could we not have been devising? could you not have been devising? could they not have been devising?