Verbo irregular: understand - understood - understood
Indicativo
Presente
do I understand? do you understand? does he understand? do we understand? do you understand? do they understand?
Presente continuo
am I understanding? are you understanding? is he understanding? are we understanding? are you understanding? are they understanding?
Pretérito
did I understand? did you understand? did he understand? did we understand? did you understand? did they understand?
Pretérito continuo
was I understanding? were you understanding? was he understanding? were we understanding? were you understanding? were they understanding?
Presente perfecto
have I understood? have you understood? has he understood? have we understood? have you understood? have they understood?
Presente perfecto continuo
have I been understanding? have you been understanding? has he been understanding? have we been understanding? have you been understanding? have they been understanding?
Pluscuamperfecto
had I understood? had you understood? had he understood? had we understood? had you understood? had they understood?
Pluscuamperfecto continuo
had I been understanding? had you been understanding? had he been understanding? had we been understanding? had you been understanding? had they been understanding?
Futuro simple
will I understand? will you understand? will he understand? will we understand? will you understand? will they understand?
Futuro continuo
will I be understanding? will you be understanding? will he be understanding? will we be understanding? will you be understanding? will they be understanding?
Futuro perfecto
will I have understood? will you have understood? will he have understood? will we have understood? will you have understood? will they have understood?
Futuro perfecto contínuo
will I have been understanding? will you have been understanding? will he have been understanding? will we have been understanding? will you have been understanding? will they have been understanding?
Condicional
Presente
would I understand? would you understand? would he understand? would we understand? would you understand? would they understand?
Presente continuo
would I be understanding? would you be understanding? would he be understanding? would we be understanding? would you be understanding? would they be understanding?
Passado
would I have understood? would you have understood? would he have understood? would we have understood? would you have understood? would they have understood?
Passado continuo
would I have been understanding? would you have been understanding? would he have been understanding? would we have been understanding? would you have been understanding? would they have been understanding?