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