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