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