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