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