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 contínuo
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?
Preterito contínuo
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 perfeito
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 perfeito contínuo
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?
Mais perfeito
hadn't I burrowed? hadn't you burrowed? hadn't he burrowed? hadn't we burrowed? hadn't you burrowed? hadn't they burrowed?
Contínuo mais perfeito
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
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 contínuo
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 perfeito
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 perfeito 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 contínuo
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 contínuo
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?