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