don't I bitter? don't you bitter? doesn't he bitter? don't we bitter? don't you bitter? don't they bitter?
Presente continuo
am I not bittering? aren't you bittering? isn't he bittering? aren't we bittering? aren't you bittering? aren't they bittering?
Pretérito
didn't I bitter? didn't you bitter? didn't he bitter? didn't we bitter? didn't you bitter? didn't they bitter?
Pretérito continuo
wasn't I bittering? weren't you bittering? wasn't he bittering? weren't we bittering? weren't you bittering? weren't they bittering?
Presente perfecto
haven't I bittered? haven't you bittered? hasn't he bittered? haven't we bittered? haven't you bittered? haven't they bittered?
Presente perfecto continuo
haven't I been bittering? haven't you been bittering? hasn't he been bittering? haven't we been bittering? haven't you been bittering? haven't they been bittering?
Pluscuamperfecto
hadn't I bittered? hadn't you bittered? hadn't he bittered? hadn't we bittered? hadn't you bittered? hadn't they bittered?
Pluscuamperfecto continuo
hadn't I been bittering? hadn't you been bittering? hadn't he been bittering? hadn't we been bittering? hadn't you been bittering? hadn't they been bittering?
Futuro simple
won't I bitter? won't you bitter? won't he bitter? won't we bitter? won't you bitter? won't they bitter?
Futuro continuo
won't I be bittering? won't you be bittering? won't he be bittering? won't we be bittering? won't you be bittering? won't they be bittering?
Futuro perfecto
won't I have bittered? won't you have bittered? won't he have bittered? won't we have bittered? won't you have bittered? won't they have bittered?
Futuro perfecto contínuo
won't I have been bittering? won't you have been bittering? won't he have been bittering? won't we have been bittering? won't you have been bittering? won't they have been bittering?
Condicional
Presente
wouldn't I bitter? wouldn't you bitter? wouldn't he bitter? wouldn't we bitter? wouldn't you bitter? wouldn't they bitter?
Presente continuo
wouldn't I be bittering? wouldn't you be bittering? wouldn't he be bittering? wouldn't we be bittering? wouldn't you be bittering? wouldn't they be bittering?
Passado
wouldn't I have bittered? wouldn't you have bittered? wouldn't he have bittered? wouldn't we have bittered? wouldn't you have bittered? wouldn't they have bittered?
Passado continuo
wouldn't I have been bittering? wouldn't you have been bittering? wouldn't he have been bittering? wouldn't we have been bittering? wouldn't you have been bittering? wouldn't they have been bittering?