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How to Say ‘Yep, I know.’ in Japanese

知ってるよ。

shitsu teru yo

[SHEET teh-roo yo]

💬 Usage Tip: 知ってる is the casual spoken form of 知っている. For "I know," Japanese uses this "-ing" shape, never the plain 知る.

Phrase Breakdown

知っ

shitsu

[SHEET]

know (stem)

Te-form stem of 知る (to know).

Example

その店を知っています。

I know that shop.

てる

teru

[teh-roo]

is; doing

Casual contraction of ている, showing an ongoing state or condition.

Example

今使ってる。

I'm using it now.

よ

yo

[yo]

you know; assurance

Sentence-ending particle adding emphasis, assurance, or new information for the listener.

Example

ありますよと店員さんが言いました。

The staff said, 'Yes, we have it.'

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