don't I classify? don't you classify? doesn't he classify? don't we classify? don't you classify? don't they classify?
Presente continuo
am I not classifying? aren't you classifying? isn't he classifying? aren't we classifying? aren't you classifying? aren't they classifying?
Pretérito
didn't I classify? didn't you classify? didn't he classify? didn't we classify? didn't you classify? didn't they classify?
Pretérito continuo
wasn't I classifying? weren't you classifying? wasn't he classifying? weren't we classifying? weren't you classifying? weren't they classifying?
Presente perfecto
haven't I classified? haven't you classified? hasn't he classified? haven't we classified? haven't you classified? haven't they classified?
Presente perfecto continuo
haven't I been classifying? haven't you been classifying? hasn't he been classifying? haven't we been classifying? haven't you been classifying? haven't they been classifying?
Pluscuamperfecto
hadn't I classified? hadn't you classified? hadn't he classified? hadn't we classified? hadn't you classified? hadn't they classified?
Pluscuamperfecto continuo
hadn't I been classifying? hadn't you been classifying? hadn't he been classifying? hadn't we been classifying? hadn't you been classifying? hadn't they been classifying?
Futuro simple
won't I classify? won't you classify? won't he classify? won't we classify? won't you classify? won't they classify?
Futuro continuo
won't I be classifying? won't you be classifying? won't he be classifying? won't we be classifying? won't you be classifying? won't they be classifying?
Futuro perfecto
won't I have classified? won't you have classified? won't he have classified? won't we have classified? won't you have classified? won't they have classified?
Futuro perfecto contínuo
won't I have been classifying? won't you have been classifying? won't he have been classifying? won't we have been classifying? won't you have been classifying? won't they have been classifying?
Condicional
Presente
wouldn't I classify? wouldn't you classify? wouldn't he classify? wouldn't we classify? wouldn't you classify? wouldn't they classify?
Presente continuo
wouldn't I be classifying? wouldn't you be classifying? wouldn't he be classifying? wouldn't we be classifying? wouldn't you be classifying? wouldn't they be classifying?
Passado
wouldn't I have classified? wouldn't you have classified? wouldn't he have classified? wouldn't we have classified? wouldn't you have classified? wouldn't they have classified?
Passado continuo
wouldn't I have been classifying? wouldn't you have been classifying? wouldn't he have been classifying? wouldn't we have been classifying? wouldn't you have been classifying? wouldn't they have been classifying?