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