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