think -> думать
Образование времен: Субъект подвергается (Пассив, или иначе страдательный залог)
  Past - ПрошлоеPresent - НастоящееFuture - Будущее
Факт - Simple
I/he/she/itwe/you/they
was thoughtwere thought
---
was not thoughtwere not thought
wasn't thoughtweren't thought
Ihe/she/itwe/you/they
am thoughtis thoughtare thought
---
am not thoughtis not thoughtare not thought
 isn't thoughtare'nt thought
I/he/she/it/we/you/they
will be thought
---
will not be thought
won't be thought
Процесс - Continuous
I/he/she/itwe/you/they
was being thoughtwere being thought
---
was not being thoughtwere not being thought
wasn't being thoughtweren't being thought
Ihe/she/itwe/you/they
am being thoughtis being thoughtare being thought
---
am not being thoughtis not being thoughtare not being thought
 isn't being thoughtare'nt being thought
Завершенность - Perfect
I/he/she/it/we/you/they
had been thought
---
had not been thought
hadn't been thought
I/we/you/theyhe/she/it
have thoughthas thought
---
have not thoughthas not thought
haven't thoughthasn't thought
I/he/she/it/we/you/they
will have been thought
---
will not have been thought
won't have been thought
Вместо отсутствующих форм Perfect Continuous употребляются формы Perfect
think -> думать