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