I'd sum you'd sum he'd sum we'd sum you'd sum they'd sum
Forma con V-ing
I'd be summing you'd be summing he'd be summing we'd be summing you'd be summing they'd be summing
Perfecto
I should've summed you should've summed he should've summed we should've summed you should've summed they should've summed
Perfecto con V-ing
I should've been summing you should've been summing he should've been summing we should've been summing you should've been summing they should've been summing
Negación
Forma simple
I shouldn't sum you shouldn't sum he shouldn't sum we shouldn't sum you shouldn't sum they shouldn't sum
Forma con V-ing
I shouldn't be summing you shouldn't be summing he shouldn't be summing we shouldn't be summing you shouldn't be summing they shouldn't be summing
Perfecto
I shouldn't have summed you shouldn't have summed he shouldn't have summed we shouldn't have summed you shouldn't have summed they shouldn't have summed
Perfecto con V-ing
I shouldn't have been summing you shouldn't have been summing he shouldn't have been summing we shouldn't have been summing you shouldn't have been summing they shouldn't have been summing
Forma interrogativa
Forma simple
should I sum? should you sum? should he sum? should we sum? should you sum? should they sum?
Forma con V-ing
should I be summing? should you be summing? should he be summing? should we be summing? should you be summing? should they be summing?
Perfecto
should I have summed? should you have summed? should he have summed? should we have summed? should you have summed? should they have summed?
Perfecto con V-ing
should I have been summing? should you have been summing? should he have been summing? should we have been summing? should you have been summing? should they have been summing?
Forma interro-negativa
Forma simple
shouldn't I sum? shouldn't you sum? shouldn't he sum? shouldn't we sum? shouldn't you sum? shouldn't they sum?
Forma con V-ing
shouldn't I be summing? shouldn't you be summing? shouldn't he be summing? shouldn't we be summing? shouldn't you be summing? shouldn't they be summing?
Perfecto
shouldn't I have summed? shouldn't you have summed? shouldn't he have summed? shouldn't we have summed? shouldn't you have summed? shouldn't they have summed?
Perfecto con V-ing
shouldn't I have been summing? shouldn't you have been summing? shouldn't he have been summing? shouldn't we have been summing? shouldn't you have been summing? shouldn't they have been summing?