I'd be improving you'd be improving she'd be improving we'd be improving you'd be improving they'd be improving
Perfecto
I should've improved you should've improved she 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 she 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 she 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 she 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 she 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 she 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 she improve? should we improve? should you improve? should they improve?
Forma con V-ing
should I be improving? should you be improving? should she be improving? should we be improving? should you be improving? should they be improving?
Perfecto
should I have improved? should you have improved? should she 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 she 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 she 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 she 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 she 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 she have been improving? shouldn't we have been improving? shouldn't you have been improving? shouldn't they have been improving?