decay -> распадаться
Образование времен: Субъект подвергается (Пассив, или иначе страдательный залог)
  Past - ПрошлоеPresent - НастоящееFuture - Будущее
Факт - Simple
I/he/she/itwe/you/they
was decayedwere decayed
---
was not decayedwere not decayed
wasn't decayedweren't decayed
Ihe/she/itwe/you/they
am decayedis decayedare decayed
---
am not decayedis not decayedare not decayed
 isn't decayedare'nt decayed
I/he/she/it/we/you/they
will be decayed
---
will not be decayed
won't be decayed
Процесс - Continuous
I/he/she/itwe/you/they
was being decayedwere being decayed
---
was not being decayedwere not being decayed
wasn't being decayedweren't being decayed
Ihe/she/itwe/you/they
am being decayedis being decayedare being decayed
---
am not being decayedis not being decayedare not being decayed
 isn't being decayedare'nt being decayed
Завершенность - Perfect
I/he/she/it/we/you/they
had been decayed
---
had not been decayed
hadn't been decayed
I/we/you/theyhe/she/it
have decayedhas decayed
---
have not decayedhas not decayed
haven't decayedhasn't decayed
I/he/she/it/we/you/they
will have been decayed
---
will not have been decayed
won't have been decayed
Вместо отсутствующих форм Perfect Continuous употребляются формы Perfect
decay -> распадаться