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