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