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