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