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