don't I study? don't you study? doesn't she study? don't we study? don't you study? don't they study?
Present continuous
am I not studying? aren't you studying? isn't she studying? aren't we studying? aren't you studying? aren't they studying?
Preterite
didn't I study? didn't you study? didn't she study? didn't we study? didn't you study? didn't they study?
Preterite continuous
wasn't I studying? weren't you studying? wasn't she studying? weren't we studying? weren't you studying? weren't they studying?
Present perfect
haven't I studied? haven't you studied? hasn't she studied? haven't we studied? haven't you studied? haven't they studied?
Present perfect continuous
haven't I been studying? haven't you been studying? hasn't she been studying? haven't we been studying? haven't you been studying? haven't they been studying?
Pluperfect
hadn't I studied? hadn't you studied? hadn't she studied? hadn't we studied? hadn't you studied? hadn't they studied?
Pluperfect continuous
hadn't I been studying? hadn't you been studying? hadn't she been studying? hadn't we been studying? hadn't you been studying? hadn't they been studying?
Future
won't I study? won't you study? won't she study? won't we study? won't you study? won't they study?
Future continuous
won't I be studying? won't you be studying? won't she be studying? won't we be studying? won't you be studying? won't they be studying?
Future perfect
won't I have studied? won't you have studied? won't she have studied? won't we have studied? won't you have studied? won't they have studied?
Future perfect continuous
won't I have been studying? won't you have been studying? won't she have been studying? won't we have been studying? won't you have been studying? won't they have been studying?
Conditional
Present
wouldn't I study? wouldn't you study? wouldn't she study? wouldn't we study? wouldn't you study? wouldn't they study?
Present continuous
wouldn't I be studying? wouldn't you be studying? wouldn't she be studying? wouldn't we be studying? wouldn't you be studying? wouldn't they be studying?
Past
wouldn't I have studied? wouldn't you have studied? wouldn't she have studied? wouldn't we have studied? wouldn't you have studied? wouldn't they have studied?
Past continuous
wouldn't I have been studying? wouldn't you have been studying? wouldn't she have been studying? wouldn't we have been studying? wouldn't you have been studying? wouldn't they have been studying?