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