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