don't I nibble? don't you nibble? doesn't he nibble? don't we nibble? don't you nibble? don't they nibble?
Presente contínuo
am I not nibbling? aren't you nibbling? isn't he nibbling? aren't we nibbling? aren't you nibbling? aren't they nibbling?
Pretérito
didn't I nibble? didn't you nibble? didn't he nibble? didn't we nibble? didn't you nibble? didn't they nibble?
Preterito contínuo
wasn't I nibbling? weren't you nibbling? wasn't he nibbling? weren't we nibbling? weren't you nibbling? weren't they nibbling?
Presente perfeito
haven't I nibbled? haven't you nibbled? hasn't he nibbled? haven't we nibbled? haven't you nibbled? haven't they nibbled?
Presente perfeito contínuo
haven't I been nibbling? haven't you been nibbling? hasn't he been nibbling? haven't we been nibbling? haven't you been nibbling? haven't they been nibbling?
Mais perfeito
hadn't I nibbled? hadn't you nibbled? hadn't he nibbled? hadn't we nibbled? hadn't you nibbled? hadn't they nibbled?
Contínuo mais perfeito
hadn't I been nibbling? hadn't you been nibbling? hadn't he been nibbling? hadn't we been nibbling? hadn't you been nibbling? hadn't they been nibbling?
Futuro
won't I nibble? won't you nibble? won't he nibble? won't we nibble? won't you nibble? won't they nibble?
Futuro contínuo
won't I be nibbling? won't you be nibbling? won't he be nibbling? won't we be nibbling? won't you be nibbling? won't they be nibbling?
futuro perfeito
won't I have nibbled? won't you have nibbled? won't he have nibbled? won't we have nibbled? won't you have nibbled? won't they have nibbled?
futuro perfeito contínuo
won't I have been nibbling? won't you have been nibbling? won't he have been nibbling? won't we have been nibbling? won't you have been nibbling? won't they have been nibbling?
Condicional
Presente
wouldn't I nibble? wouldn't you nibble? wouldn't he nibble? wouldn't we nibble? wouldn't you nibble? wouldn't they nibble?
Presente contínuo
wouldn't I be nibbling? wouldn't you be nibbling? wouldn't he be nibbling? wouldn't we be nibbling? wouldn't you be nibbling? wouldn't they be nibbling?
Passado
wouldn't I have nibbled? wouldn't you have nibbled? wouldn't he have nibbled? wouldn't we have nibbled? wouldn't you have nibbled? wouldn't they have nibbled?
Passado contínuo
wouldn't I have been nibbling? wouldn't you have been nibbling? wouldn't he have been nibbling? wouldn't we have been nibbling? wouldn't you have been nibbling? wouldn't they have been nibbling?