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 continuo
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?
Pretérito continuo
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 perfecto
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 perfecto continuo
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?
Pluscuamperfecto
hadn't I required? hadn't you required? hadn't he required? hadn't we required? hadn't you required? hadn't they required?
Pluscuamperfecto continuo
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 simple
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 continuo
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 perfecto
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 perfecto 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 continuo
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 continuo
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?