need -> нуждаться
Образование времен: Субъект подвергается (Пассив, или иначе страдательный залог)
  Past - ПрошлоеPresent - НастоящееFuture - Будущее
Факт - Simple
I/he/she/itwe/you/they
was neededwere needed
---
was not neededwere not needed
wasn't neededweren't needed
Ihe/she/itwe/you/they
am neededis neededare needed
---
am not neededis not neededare not needed
 isn't neededare'nt needed
I/he/she/it/we/you/they
will be needed
---
will not be needed
won't be needed
Процесс - Continuous
I/he/she/itwe/you/they
was being neededwere being needed
---
was not being neededwere not being needed
wasn't being neededweren't being needed
Ihe/she/itwe/you/they
am being neededis being neededare being needed
---
am not being neededis not being neededare not being needed
 isn't being neededare'nt being needed
Завершенность - Perfect
I/he/she/it/we/you/they
had been needed
---
had not been needed
hadn't been needed
I/we/you/theyhe/she/it
have neededhas needed
---
have not neededhas not needed
haven't neededhasn't needed
I/he/she/it/we/you/they
will have been needed
---
will not have been needed
won't have been needed
Вместо отсутствующих форм Perfect Continuous употребляются формы Perfect
need -> нуждаться