Japanese 342 - To not have to - 〜なくて も いい

The Japanese grammatical expression なくてもいい is used to express that something is not necessary or not required. It can be translated as it's okay not to or don't have to in English. This expression is formed by combining the negative て-form of a verb (ない-form changed to なくて) with も いい, which means it's okay or it's fine.