Quick answer
Particles are short suffixes that mark what each word does in a Japanese sentence — subject, object, destination, means, and so on. English uses word order; Japanese uses particles. Master about a dozen core particles and most everyday grammar follows. The hardest pair is は (wa, topic) and が (ga, subject) — learn the difference by function, not by translation.
What Particles Are
A particle attaches to the end of a word and tells the listener that word's grammatical role. Unlike English, where "The cat ate the fish" relies on order, Japanese can reorder chunks freely because the particles carry the roles. They are usually one or two syllables and almost always written in hiragana.
The Core Particles
These twelve cover the majority of particles you will meet at N5 and N4. Each has a core function and a few extended uses you pick up through reading. [VERIFY] — usage nuances vary by textbook.
The は vs が Question
This is the particle question every learner asks. The shortcut that actually helps: think in function, not translation.
は marks the topic — "as for X"
は sets the stage. It says "here is what we are talking about" and often carries known or shared information. It frequently overrides が or を to put focus on what comes after.
が marks the subject — "it is X that …"
が identifies. It answers "who?" or "what?". It is used for new information, in wh-questions, and after certain structures (likes, abilities, existence).
Rule of thumb
If you can replace the word with "as for …", use は. If you are answering or implying "which one? / who?", use が. Existence (ある / いる), desire (～たい), and ability (potential forms) take が for their subject.
A Closer Look at に, で, and を
に (ni) — destination, time, recipient
で (de) — means and place of action
A common trap: に marks where you are going, で marks where you are doing something. 会社に行く (go to the office) vs 会社で働く (work at the office).
を (wo) — direct object, and the "motion-through" use
Where Particles Appear in JLPT
Particles are tested directly and indirectly at every JLPT level. At N5 and N4 you fill the blank with the correct particle; at N3 and above the questions get subtler — choosing between は and が in context, or に vs で in a sentence where both are grammatical but only one fits the meaning. Reading comprehension relies on parsing particles correctly to follow long sentences. [VERIFY] — question styles vary by year.
Common Mistakes
Avoid these
- Using は and が by translation instead of function. "は = topic, が = subject" only helps if you apply it.
- Dropping を. In casual speech it is often omitted, but in writing and exams the object marker matters.
- Mixing に and で for place. に = destination/existence, で = place of action.
- Putting は after a question word. 誰は来ましたか is wrong — question words take が.
- Stacking particles wrongly. には and でも are valid combinations; not every pair is.
- Translating each particle to an English word. Particles mark role; one-to-one translations mislead.
Key Takeaways
Remember these
- Particles mark grammatical role — Japanese uses them where English uses word order.
- Master the ~12 core particles first; extended uses follow from reading.
- は = topic ("as for …"), が = subject / identifier ("which one?").
- に = destination/time/recipient, で = means/place of action, を = direct object.
- Question words (だれ, なに, どこ) take が, not は.
Frequently Asked Questions
How many Japanese particles are there?
There are roughly 80–100 particle usages across all levels, but about a dozen core particles cover the great majority of everyday Japanese. Learn the core set first, then pick up the rarer ones through reading.
What is the difference between は and が?
は marks the topic — "as for X" — and often carries known information. が marks the subject and identifies or answers "who/what?". Existence (ある/いる), desire (～たい) and ability (potential) take が. When unsure, ask: am I setting a topic, or identifying a subject?
Can I drop particles in casual speech?
Yes — in informal speech, を, は and が are frequently dropped. But in writing, formal speech, and exams, keep them. Dropping particles in JLPT answers is risky because the test expects full grammar.
Are particles written in hiragana or kanji?
Almost always hiragana. を is used only as a particle. へ is read "e" when it is a direction particle. The rest are standard hiragana.
Which particles appear in JLPT N5?
The N5 set is the core: は, が, を, に, で, と, から, まで, へ, も, より, の. Higher levels add nuanced uses and combinations like には, でも, しか, ばかり. [VERIFY]