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