なくてもいい
don't have to; it's OK to not do
JLPT
N5
構造
Vないくて+もいい
意味
「なくてもいい」expresses the idea of "it's okay not to do something (V)." In formal writing such as official documents, newspapers, or in formal spoken language, it can be replaced with 「なくともよい」.
あした
来
なくてもいいです
。
It doesn't have to come tomorrow.
好
きじゃないものは
食
べなくてもいいです
。
You don't have to eat anything you don't like.
電気
を
消
さなくてもいいですよ
。
私
はまだ
帰
りませんから
。
You don't have to turn off the lights. I'm not going home yet.
明日
は
授業
がないので
、
学校
に
行
かなくてもいいよ
。
There's no class tomorrow, so you don't have to go to school.
