I could stick you could stick he could stick we could stick you could stick they could stick
Forma com V-ing
I could be sticking you could be sticking he could be sticking we could be sticking you could be sticking they could be sticking
Perfeito
I could have stuck you could have stuck he could have stuck we could have stuck you could have stuck they could have stuck
Perfeito com V-ing
I could have been sticking you could have been sticking he could have been sticking we could have been sticking you could have been sticking they could have been sticking
Negação
Forma simple
I could not stick you could not stick he could not stick we could not stick you could not stick they could not stick
Forma com V-ing
I could not be sticking you could not be sticking he could not be sticking we could not be sticking you could not be sticking they could not be sticking
Perfeito
I could not have stuck you could not have stuck he could not have stuck we could not have stuck you could not have stuck they could not have stuck
Perfeito com V-ing
I could not have been sticking you could not have been sticking he could not have been sticking we could not have been sticking you could not have been sticking they could not have been sticking
Forma interrogativa
Forma simple
could I stick? could you stick? could he stick? could we stick? could you stick? could they stick?
Forma com V-ing
could I be sticking? could you be sticking? could he be sticking? could we be sticking? could you be sticking? could they be sticking?
Perfeito
could I have stuck? could you have stuck? could he have stuck? could we have stuck? could you have stuck? could they have stuck?
Perfeito com V-ing
could I have been sticking? could you have been sticking? could he have been sticking? could we have been sticking? could you have been sticking? could they have been sticking?
Forma interro-Negação
Forma simple
could I not stick? could you not stick? could he not stick? could we not stick? could you not stick? could they not stick?
Forma com V-ing
could I not be sticking? could you not be sticking? could he not be sticking? could we not be sticking? could you not be sticking? could they not be sticking?
Perfeito
could I not have stuck? could you not have stuck? could he not have stuck? could we not have stuck? could you not have stuck? could they not have stuck?
Perfeito com V-ing
could I not have been sticking? could you not have been sticking? could he not have been sticking? could we not have been sticking? could you not have been sticking? could they not have been sticking?