In this lesson, I will introduce you how to describe "does not need to do something" using なくてもいいです.

なくて in なくてもいいです is the negative te-form.

あやまらなくてもいいです　よ。

あやまらなくていいです　よ。(slightly more casual)

You don't need to apologize.

*あやまらなくて is the negative te-form of a verb あやまる, which means "apologize".

あした　は　やすみなので　はやく　おきなくてもいいです。

あした　は　やすみなので　はやく　おきなくていいです。(slightly more casual)

Because tomorrow is a holiday, I don't need to get up early.

*おきなくて is the negative te-form of a verb おきる, which means "get up".

いそがなくてもいいです　よ。

いそがなくていいです　よ。(slightly more casual)

You don't need to hurry.

*いそがなくて is the negative te-form of a verb いそぐ, which means "hurry".

References:

Te-forms

https://anchor.fm/yuya-sato/episodes/Te-forms-enfaqj

How to apologize for the things you have done

https://anchor.fm/yuya-sato/episodes/How-to-apologize-for-the-things-you-have-done-eq5910

Sentence-ending particle "ne" and "yo"

https://anchor.fm/yuya-sato/episodes/Sentence-ending-particle-ne-and-yo-emureo

How to explain the reason using ので

https://anchor.fm/yuya-sato/episodes/How-to-explain-the-reason-using-eons27

You have to do something

https://anchor.fm/yuya-sato/episodes/You-have-to-do-something-eootdo

You had better do something

https://anchor.fm/yuya-sato/episodes/You-had-better-do-something-eomelf

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https://www.instagram.com/yuyaman1986