I could keypunch you could keypunch he could keypunch we could keypunch you could keypunch they could keypunch
Forma con V-ing
I could be keypunching you could be keypunching he could be keypunching we could be keypunching you could be keypunching they could be keypunching
Perfecto
I could have keypunched you could have keypunched he could have keypunched we could have keypunched you could have keypunched they could have keypunched
Perfecto con V-ing
I could have been keypunching you could have been keypunching he could have been keypunching we could have been keypunching you could have been keypunching they could have been keypunching
Negación
Forma simple
I couldn't keypunch you couldn't keypunch he couldn't keypunch we couldn't keypunch you couldn't keypunch they couldn't keypunch
Forma con V-ing
I couldn't be keypunching you couldn't be keypunching he couldn't be keypunching we couldn't be keypunching you couldn't be keypunching they couldn't be keypunching
Perfecto
I couldn't have keypunched you couldn't have keypunched he couldn't have keypunched we couldn't have keypunched you couldn't have keypunched they couldn't have keypunched
Perfecto con V-ing
I couldn't have been keypunching you couldn't have been keypunching he couldn't have been keypunching we couldn't have been keypunching you couldn't have been keypunching they couldn't have been keypunching
Forma interrogativa
Forma simple
could I keypunch? could you keypunch? could he keypunch? could we keypunch? could you keypunch? could they keypunch?
Forma con V-ing
could I be keypunching? could you be keypunching? could he be keypunching? could we be keypunching? could you be keypunching? could they be keypunching?
Perfecto
could I have keypunched? could you have keypunched? could he have keypunched? could we have keypunched? could you have keypunched? could they have keypunched?
Perfecto con V-ing
could I have been keypunching? could you have been keypunching? could he have been keypunching? could we have been keypunching? could you have been keypunching? could they have been keypunching?
Forma interro-negativa
Forma simple
couldn't I keypunch? couldn't you keypunch? couldn't he keypunch? couldn't we keypunch? couldn't you keypunch? couldn't they keypunch?
Forma con V-ing
couldn't I be keypunching? couldn't you be keypunching? couldn't he be keypunching? couldn't we be keypunching? couldn't you be keypunching? couldn't they be keypunching?
Perfecto
couldn't I have keypunched? couldn't you have keypunched? couldn't he have keypunched? couldn't we have keypunched? couldn't you have keypunched? couldn't they have keypunched?
Perfecto con V-ing
couldn't I have been keypunching? couldn't you have been keypunching? couldn't he have been keypunching? couldn't we have been keypunching? couldn't you have been keypunching? couldn't they have been keypunching?