I could tabulate you could tabulate he could tabulate we could tabulate you could tabulate they could tabulate
Forma con 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
Perfecto
I could have tabulated you could have tabulated he could have tabulated we could have tabulated you could have tabulated they could have tabulated
Perfecto con 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
Negación
Forma simple
I couldn't tabulate you couldn't tabulate he couldn't tabulate we couldn't tabulate you couldn't tabulate they couldn't tabulate
Forma con V-ing
I couldn't be tabulating you couldn't be tabulating he couldn't be tabulating we couldn't be tabulating you couldn't be tabulating they couldn't be tabulating
Perfecto
I couldn't have tabulated you couldn't have tabulated he couldn't have tabulated we couldn't have tabulated you couldn't have tabulated they couldn't have tabulated
Perfecto con V-ing
I couldn't have been tabulating you couldn't have been tabulating he couldn't have been tabulating we couldn't have been tabulating you couldn't have been tabulating they couldn't 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 con 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?
Perfecto
could I have tabulated? could you have tabulated? could he have tabulated? could we have tabulated? could you have tabulated? could they have tabulated?
Perfecto con 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-negativa
Forma simple
couldn't I tabulate? couldn't you tabulate? couldn't he tabulate? couldn't we tabulate? couldn't you tabulate? couldn't they tabulate?
Forma con V-ing
couldn't I be tabulating? couldn't you be tabulating? couldn't he be tabulating? couldn't we be tabulating? couldn't you be tabulating? couldn't they be tabulating?
Perfecto
couldn't I have tabulated? couldn't you have tabulated? couldn't he have tabulated? couldn't we have tabulated? couldn't you have tabulated? couldn't they have tabulated?
Perfecto con V-ing
couldn't I have been tabulating? couldn't you have been tabulating? couldn't he have been tabulating? couldn't we have been tabulating? couldn't you have been tabulating? couldn't they have been tabulating?