don't I improve? don't you improve? doesn't he improve? don't we improve? don't you improve? don't they improve?
Presente continuo
am I not improving? aren't you improving? isn't he improving? aren't we improving? aren't you improving? aren't they improving?
Pretérito
didn't I improve? didn't you improve? didn't he improve? didn't we improve? didn't you improve? didn't they improve?
Pretérito continuo
wasn't I improving? weren't you improving? wasn't he improving? weren't we improving? weren't you improving? weren't they improving?
Presente perfecto
haven't I improved? haven't you improved? hasn't he improved? haven't we improved? haven't you improved? haven't they improved?
Presente perfecto continuo
haven't I been improving? haven't you been improving? hasn't he been improving? haven't we been improving? haven't you been improving? haven't they been improving?
Pluscuamperfecto
hadn't I improved? hadn't you improved? hadn't he improved? hadn't we improved? hadn't you improved? hadn't they improved?
Pluscuamperfecto continuo
hadn't I been improving? hadn't you been improving? hadn't he been improving? hadn't we been improving? hadn't you been improving? hadn't they been improving?
Futuro simple
won't I improve? won't you improve? won't he improve? won't we improve? won't you improve? won't they improve?
Futuro continuo
won't I be improving? won't you be improving? won't he be improving? won't we be improving? won't you be improving? won't they be improving?
Futuro perfecto
won't I have improved? won't you have improved? won't he have improved? won't we have improved? won't you have improved? won't they have improved?
Futuro perfecto contínuo
won't I have been improving? won't you have been improving? won't he have been improving? won't we have been improving? won't you have been improving? won't they have been improving?
Condicional
Presente
wouldn't I improve? wouldn't you improve? wouldn't he improve? wouldn't we improve? wouldn't you improve? wouldn't they improve?
Presente continuo
wouldn't I be improving? wouldn't you be improving? wouldn't he be improving? wouldn't we be improving? wouldn't you be improving? wouldn't they be improving?
Passado
wouldn't I have improved? wouldn't you have improved? wouldn't he have improved? wouldn't we have improved? wouldn't you have improved? wouldn't they have improved?
Passado continuo
wouldn't I have been improving? wouldn't you have been improving? wouldn't he have been improving? wouldn't we have been improving? wouldn't you have been improving? wouldn't they have been improving?