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