teach -> обучать
Образование времен: Субъект подвергается (Пассив, или иначе страдательный залог)
  Past - ПрошлоеPresent - НастоящееFuture - Будущее
Факт - Simple
I/he/she/itwe/you/they
was taughtwere taught
---
was not taughtwere not taught
wasn't taughtweren't taught
Ihe/she/itwe/you/they
am taughtis taughtare taught
---
am not taughtis not taughtare not taught
 isn't taughtare'nt taught
I/he/she/it/we/you/they
will be taught
---
will not be taught
won't be taught
Процесс - Continuous
I/he/she/itwe/you/they
was being taughtwere being taught
---
was not being taughtwere not being taught
wasn't being taughtweren't being taught
Ihe/she/itwe/you/they
am being taughtis being taughtare being taught
---
am not being taughtis not being taughtare not being taught
 isn't being taughtare'nt being taught
Завершенность - Perfect
I/he/she/it/we/you/they
had been taught
---
had not been taught
hadn't been taught
I/we/you/theyhe/she/it
have taughthas taught
---
have not taughthas not taught
haven't taughthasn't taught
I/he/she/it/we/you/they
will have been taught
---
will not have been taught
won't have been taught
Вместо отсутствующих форм Perfect Continuous употребляются формы Perfect
teach -> обучать