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