don't I operate? don't you operate? doesn't she operate? don't we operate? don't you operate? don't they operate?
Presente contínuo
am I not operating? aren't you operating? isn't she operating? aren't we operating? aren't you operating? aren't they operating?
Pretérito
didn't I operate? didn't you operate? didn't she operate? didn't we operate? didn't you operate? didn't they operate?
Preterito contínuo
wasn't I operating? weren't you operating? wasn't she operating? weren't we operating? weren't you operating? weren't they operating?
Presente perfeito
haven't I operated? haven't you operated? hasn't she operated? haven't we operated? haven't you operated? haven't they operated?
Presente perfeito contínuo
haven't I been operating? haven't you been operating? hasn't she been operating? haven't we been operating? haven't you been operating? haven't they been operating?
Mais perfeito
hadn't I operated? hadn't you operated? hadn't she operated? hadn't we operated? hadn't you operated? hadn't they operated?
Contínuo mais perfeito
hadn't I been operating? hadn't you been operating? hadn't she been operating? hadn't we been operating? hadn't you been operating? hadn't they been operating?
Futuro
won't I operate? won't you operate? won't she operate? won't we operate? won't you operate? won't they operate?
Futuro contínuo
won't I be operating? won't you be operating? won't she be operating? won't we be operating? won't you be operating? won't they be operating?
futuro perfeito
won't I have operated? won't you have operated? won't she have operated? won't we have operated? won't you have operated? won't they have operated?
futuro perfeito contínuo
won't I have been operating? won't you have been operating? won't she have been operating? won't we have been operating? won't you have been operating? won't they have been operating?
Condicional
Presente
wouldn't I operate? wouldn't you operate? wouldn't she operate? wouldn't we operate? wouldn't you operate? wouldn't they operate?
Presente contínuo
wouldn't I be operating? wouldn't you be operating? wouldn't she be operating? wouldn't we be operating? wouldn't you be operating? wouldn't they be operating?
Passado
wouldn't I have operated? wouldn't you have operated? wouldn't she have operated? wouldn't we have operated? wouldn't you have operated? wouldn't they have operated?
Passado contínuo
wouldn't I have been operating? wouldn't you have been operating? wouldn't she have been operating? wouldn't we have been operating? wouldn't you have been operating? wouldn't they have been operating?