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