don't I flutter? don't you flutter? doesn't he flutter? don't we flutter? don't you flutter? don't they flutter?
Presente continuo
am I not fluttering? aren't you fluttering? isn't he fluttering? aren't we fluttering? aren't you fluttering? aren't they fluttering?
Pretérito
didn't I flutter? didn't you flutter? didn't he flutter? didn't we flutter? didn't you flutter? didn't they flutter?
Pretérito continuo
wasn't I fluttering? weren't you fluttering? wasn't he fluttering? weren't we fluttering? weren't you fluttering? weren't they fluttering?
Presente perfecto
haven't I fluttered? haven't you fluttered? hasn't he fluttered? haven't we fluttered? haven't you fluttered? haven't they fluttered?
Presente perfecto continuo
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?
Pluscuamperfecto
hadn't I fluttered? hadn't you fluttered? hadn't he fluttered? hadn't we fluttered? hadn't you fluttered? hadn't they fluttered?
Pluscuamperfecto continuo
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?
Futuro simple
won't I flutter? won't you flutter? won't he flutter? won't we flutter? won't you flutter? won't they flutter?
Futuro continuo
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?
Futuro perfecto
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?
Futuro perfecto contínuo
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?
Condicional
Presente
wouldn't I flutter? wouldn't you flutter? wouldn't he flutter? wouldn't we flutter? wouldn't you flutter? wouldn't they flutter?
Presente continuo
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?
Passado
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?
Passado continuo
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?