Skip to content
Home » How To Use Dewa nai ka ではないか in Japanese 

How To Use Dewa nai ka ではないか in Japanese 

ではないか in Japanese

In this post we will break down this common JLPT N3 grammar point ではないか (dewa nai ka) which has a similar meaning to じゃないか (janai ka), basically the meaning behind its use is to state To Not be… The addition of the particle ka makes it a question. So the user is asking a question or asking themselves whether something is what it is.

How to use dewa nai ka in japanese? JLPT N3 Grammar point

In more colloquial English Its asking whether the thing in question is or is not.

This is a more formal way of questioning whether something is or is not.

This can refer to any particular situation. for example asking if john has passed his exam いいじゃないか。Isn’t it great? meaning Ii janai ka.

How to form it?

Verb-volitional + ではないか/じゃないか


You look pale. you are tired, aren’t you?
Kaoiro ga warui ne. tsukarete irun janai ka

I don’t think that even now you realize your danger!
Anata wa ima datte mada kiken o satotte inai rashii janai ka.

Why don’t we go to Odaiba?
issho ni otaiba ni ikou janai ka.

Then let’s go dancing!
dattara odori ni ikou janai ka

This weekend has not gone according to plan. Shall we return here next weekend?
kondo no shuumatsu wa yotei doori ni wa ikanakatta ne. raishuu, mata koko e koyou janai ka

In simple terms its a very commonly used Grammar point, and can be used in various situations. I suggest knowing this one grammar point for the JLPT N3 well.

For more grammar lessons and grammar points I recommend Japanese From Zero lessons -> here

Leave a Reply