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