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