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