Verbo irregular: understand - understood - understood
Indicativo
Presente
don't I understand? don't you understand? doesn't he understand? don't we understand? don't you understand? don't they understand?
Presente contínuo
am I not understanding? aren't you understanding? isn't he understanding? aren't we understanding? aren't you understanding? aren't they understanding?
Pretérito
didn't I understand? didn't you understand? didn't he understand? didn't we understand? didn't you understand? didn't they understand?
Preterito contínuo
wasn't I understanding? weren't you understanding? wasn't he understanding? weren't we understanding? weren't you understanding? weren't they understanding?
Presente perfeito
haven't I understood? haven't you understood? hasn't he understood? haven't we understood? haven't you understood? haven't they understood?
Presente perfeito contínuo
haven't I been understanding? haven't you been understanding? hasn't he been understanding? haven't we been understanding? haven't you been understanding? haven't they been understanding?
Mais perfeito
hadn't I understood? hadn't you understood? hadn't he understood? hadn't we understood? hadn't you understood? hadn't they understood?
Contínuo mais perfeito
hadn't I been understanding? hadn't you been understanding? hadn't he been understanding? hadn't we been understanding? hadn't you been understanding? hadn't they been understanding?
Futuro
won't I understand? won't you understand? won't he understand? won't we understand? won't you understand? won't they understand?
Futuro contínuo
won't I be understanding? won't you be understanding? won't he be understanding? won't we be understanding? won't you be understanding? won't they be understanding?
futuro perfeito
won't I have understood? won't you have understood? won't he have understood? won't we have understood? won't you have understood? won't they have understood?
futuro perfeito contínuo
won't I have been understanding? won't you have been understanding? won't he have been understanding? won't we have been understanding? won't you have been understanding? won't they have been understanding?
Condicional
Presente
wouldn't I understand? wouldn't you understand? wouldn't he understand? wouldn't we understand? wouldn't you understand? wouldn't they understand?
Presente contínuo
wouldn't I be understanding? wouldn't you be understanding? wouldn't he be understanding? wouldn't we be understanding? wouldn't you be understanding? wouldn't they be understanding?
Passado
wouldn't I have understood? wouldn't you have understood? wouldn't he have understood? wouldn't we have understood? wouldn't you have understood? wouldn't they have understood?
Passado contínuo
wouldn't I have been understanding? wouldn't you have been understanding? wouldn't he have been understanding? wouldn't we have been understanding? wouldn't you have been understanding? wouldn't they have been understanding?