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