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