Meaning
Removes the obligation to perform an action.
Formation
- Drop い from the ない form and add くてもいい: 来ない → 来なくてもいいです
When to use it
- Core use
- Removes the obligation to perform an action
Examples
13 sentences-
明日は来なくてもいいです
You do not have to come tomorrow.
-
全部食べなくてもいい
You do not have to eat everything.
-
明日は休みですから、早く起きなくてもいいです
Tomorrow is a day off, so you do not have to get up early.
-
小さな荷物を運ばなくてもいいです
You do not have to carry the small luggage.
-
青い封筒を選ばなくてもいいです
You do not have to choose a blue envelope.
-
古い雑誌を捨てなくてもいいです
You do not have to throw away the old magazines.
-
台所の窓を開けなくてもいいです
You do not have to open the kitchen window.
-
旅行の写真を見なくてもいいです
You do not have to look at the travel photos.
5 more examples
-
短い手紙を書かなくてもいいです
You do not have to write a short letter.
-
友達の話を聞かなくてもいいです
You do not have to listen to my friend's story.
-
駅の名前を覚えなくてもいいです
You do not have to memorize the station name.
-
家の鍵を探さなくてもいいです
You do not have to look for the house key.
-
晩ご飯の準備をしなくてもいいです
You do not have to prepare dinner.
Important notes
- なくてもいい removes an obligation — 行かなくてもいい (you don't have to go), while going is still allowed. 書かなくてもいいですか asks whether you may skip something.
Common mistakes
- It is not a request not to act: 'please don't come' is 来ないでください. Do not confuse it with 行ってはいけない (must not go).
Check yourself
Pick the translation of each sentence. The wrong options translate similar patterns, so watch the grammar rather than the words.
Similar grammar
Hear it in podcasts
The pattern appears in these episodes. They open in the app with the transcript and translation.
The trainer requires a free account. Examples and practice questions on this page are available without signing up.