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