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