よ (yo) - Emphasis/Assertion Particle
[Statement]よ
Explanation
Adds emphasis or indicates new information the listener should know.
Formation
Sentence + よ
Examples
明日は休みですよ。
Ashita wa yasumi desu yo.
Tomorrow is a holiday (in case you didn't know).
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Usage Notes
- Indicates information imbalance
- Can sound pushy if overused
- Softened by combining with ね → よね
- Gender neutral but context dependent
Common Mistakes to Avoid
- Overuse sounds bossy or know-it-all
- よ is not just emphasis - it marks information the speaker thinks the listener should know
- Be careful with tone - can sound aggressive
Related Grammar from "Essential Particles"
は (wa) - Topic Particle
[Topic]は[Comment]
Marks the topic of the sentence - what you're talking about. The rest of the sentence is a comment about this topic.
が (ga) - Subject Particle
[Subject]が[Predicate]
Marks the grammatical subject, introduces new information, or answers "who/what" questions.
を (wo/o) - Direct Object Particle
[Object]を[Transitive Verb]
Marks the direct object of a transitive verb - the thing receiving the action.