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