present -> представлять
Образование времен: Субъект подвергается (Пассив, или иначе страдательный залог)
  Past - ПрошлоеPresent - НастоящееFuture - Будущее
Факт - Simple
I/he/she/itwe/you/they
was presentedwere presented
---
was not presentedwere not presented
wasn't presentedweren't presented
Ihe/she/itwe/you/they
am presentedis presentedare presented
---
am not presentedis not presentedare not presented
 isn't presentedaren't presented
I/he/she/it/we/you/they
will be presented
---
will not be presented
won't be presented
Процесс - Continuous
I/he/she/itwe/you/they
was being presentedwere being presented
---
was not being presentedwere not being presented
wasn't being presentedweren't being presented
Ihe/she/itwe/you/they
am being presentedis being presentedare being presented
---
am not being presentedis not being presentedare not being presented
 isn't being presentedaren't being presented
Завершенность - Perfect
I/he/she/it/we/you/they
had been presented
---
had not been presented
hadn't been presented
I/we/you/theyhe/she/it
have presentedhas presented
---
have not presentedhas not presented
haven't presentedhasn't presented
I/he/she/it/we/you/they
will have been presented
---
will not have been presented
won't have been presented
Вместо отсутствующих форм Perfect Continuous употребляются формы Perfect
present -> представлять