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