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