change -> изменять
Образование времен: Субъект подвергается (Пассив, или иначе страдательный залог)
  Past - ПрошлоеPresent - НастоящееFuture - Будущее
Факт - Simple
I/he/she/itwe/you/they
was changedwere changed
---
was not changedwere not changed
wasn't changedweren't changed
Ihe/she/itwe/you/they
am changedis changedare changed
---
am not changedis not changedare not changed
 isn't changedare'nt changed
I/he/she/it/we/you/they
will be changed
---
will not be changed
won't be changed
Процесс - Continuous
I/he/she/itwe/you/they
was being changedwere being changed
---
was not being changedwere not being changed
wasn't being changedweren't being changed
Ihe/she/itwe/you/they
am being changedis being changedare being changed
---
am not being changedis not being changedare not being changed
 isn't being changedare'nt being changed
Завершенность - Perfect
I/he/she/it/we/you/they
had been changed
---
had not been changed
hadn't been changed
I/we/you/theyhe/she/it
have changedhas changed
---
have not changedhas not changed
haven't changedhasn't changed
I/he/she/it/we/you/they
will have been changed
---
will not have been changed
won't have been changed
Вместо отсутствующих форм Perfect Continuous употребляются формы Perfect
change -> изменять