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