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