I could tabulate you could tabulate he could tabulate we could tabulate you could tabulate they could tabulate
Forma com V-ing
I could be tabulating you could be tabulating he could be tabulating we could be tabulating you could be tabulating they could be tabulating
Perfeito
I could have tabulated you could have tabulated he could have tabulated we could have tabulated you could have tabulated they could have tabulated
Perfeito com V-ing
I could have been tabulating you could have been tabulating he could have been tabulating we could have been tabulating you could have been tabulating they could have been tabulating
Negação
Forma simple
I could not tabulate you could not tabulate he could not tabulate we could not tabulate you could not tabulate they could not tabulate
Forma com V-ing
I could not be tabulating you could not be tabulating he could not be tabulating we could not be tabulating you could not be tabulating they could not be tabulating
Perfeito
I could not have tabulated you could not have tabulated he could not have tabulated we could not have tabulated you could not have tabulated they could not have tabulated
Perfeito com V-ing
I could not have been tabulating you could not have been tabulating he could not have been tabulating we could not have been tabulating you could not have been tabulating they could not have been tabulating
Forma interrogativa
Forma simple
could I tabulate? could you tabulate? could he tabulate? could we tabulate? could you tabulate? could they tabulate?
Forma com V-ing
could I be tabulating? could you be tabulating? could he be tabulating? could we be tabulating? could you be tabulating? could they be tabulating?
Perfeito
could I have tabulated? could you have tabulated? could he have tabulated? could we have tabulated? could you have tabulated? could they have tabulated?
Perfeito com V-ing
could I have been tabulating? could you have been tabulating? could he have been tabulating? could we have been tabulating? could you have been tabulating? could they have been tabulating?
Forma interro-Negação
Forma simple
could I not tabulate? could you not tabulate? could he not tabulate? could we not tabulate? could you not tabulate? could they not tabulate?
Forma com V-ing
could I not be tabulating? could you not be tabulating? could he not be tabulating? could we not be tabulating? could you not be tabulating? could they not be tabulating?
Perfeito
could I not have tabulated? could you not have tabulated? could he not have tabulated? could we not have tabulated? could you not have tabulated? could they not have tabulated?
Perfeito com V-ing
could I not have been tabulating? could you not have been tabulating? could he not have been tabulating? could we not have been tabulating? could you not have been tabulating? could they not have been tabulating?