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