[Statement] + よ 。
I'm telling you, I assure you, you know
~よ
JLPT N5Structure
Details
Explain
Usage
Examples
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Basic Structure
Grammar Details
Explanation
よ (yo) – Asserting/Informing with Confidence
Usage: Add よ when you want to:
- Emphasize you’re confident about the information
- Inform the listener of something they may not know
- Assert something with conviction
- Imply “you should know this”
Examples:
- 新幹線は 速いですよ。
Shinkansen wa hayai desu yo. → “The bullet train is fast, I’m telling you.”
- 明日は 会議が 早く 終わりますよ。
Ashita wa kaigi ga hayaku owarimasu yo. → “The meeting will end early tomorrow, just so you know.”
Real Life Usage
💬 Real-life tip:
よ adds energy and confidence. Use it when correcting, pointing out something new, or when you're excited to share something.
よ adds energy and confidence. Use it when correcting, pointing out something new, or when you're excited to share something.
Examples
明日は雨ですよ。
It's going to rain tomorrow, just so you know.
電車は8時に出発しますよ。
The train leaves at 8, I'm letting you know.
お金を忘れましたよ。
You forgot your money, just so you know!
この問題は簡単じゃないですよ。
This problem is not easy, I'm telling you.
明日来るよ。
I'm coming tomorrow, just so you know.
もう終わったよ。
It's already finished, you know.
彼は来ないよ。
He's not coming, just letting you know.
無理よ、絶対。
No way, absolutely impossible.