reduce -> уменьшать
Образование времен: Субъект подвергается (Пассив, или иначе страдательный залог)
  Past - ПрошлоеPresent - НастоящееFuture - Будущее
Факт - Simple
I/he/she/itwe/you/they
was reducedwere reduced
---
was not reducedwere not reduced
wasn't reducedweren't reduced
Ihe/she/itwe/you/they
am reducedis reducedare reduced
---
am not reducedis not reducedare not reduced
 isn't reducedare'nt reduced
I/he/she/it/we/you/they
will be reduced
---
will not be reduced
won't be reduced
Процесс - Continuous
I/he/she/itwe/you/they
was being reducedwere being reduced
---
was not being reducedwere not being reduced
wasn't being reducedweren't being reduced
Ihe/she/itwe/you/they
am being reducedis being reducedare being reduced
---
am not being reducedis not being reducedare not being reduced
 isn't being reducedare'nt being reduced
Завершенность - Perfect
I/he/she/it/we/you/they
had been reduced
---
had not been reduced
hadn't been reduced
I/we/you/theyhe/she/it
have reducedhas reduced
---
have not reducedhas not reduced
haven't reducedhasn't reduced
I/he/she/it/we/you/they
will have been reduced
---
will not have been reduced
won't have been reduced
Вместо отсутствующих форм Perfect Continuous употребляются формы Perfect
reduce -> уменьшать