One word is missing. Put it back. 2,857 sentences where exactly one particle is correct — and every answer tells you why.
Real, everyday Japanese with the reading and translation one tap away if you need them.
Four particles, one right answer. We throw out any sentence where two could work.
Every answer explains itself, and your dashboard names the pairs you actually mix up.
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The answer, then what you picked instead. This is the most useful thing on the page — it names the specific pair to study rather than telling you to "practise particles".
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| Sentence | Particle | English | Why |
|---|
A sample from the set, with the answer shown. Every one of these has been checked so that only one particle fits — any sentence where a second would also be acceptable never reaches the game.
| Sentence | Particle | English | Why |
|---|---|---|---|
| これは母からのプレゼントです。 | から | This is a present from my mother. | から indicates the source or giver. |
| 友達と映画を見ました。 | と | I watched a movie with a friend. | と means 'with' when doing an action together. |
| 私はパンも食べました。 | も | I also ate bread. | も means 'also' and replaces を when adding an item. |
| 駅まで歩いて行きます。 | まで | I walk to the station. | まで indicates the endpoint of movement. |
| 私はテレビを見ます。 | を | I watch TV. | を marks the direct object of 見る. |
| 私は肉が好きです。 | が | I like meat. | が is used with 好き to indicate the object of liking. |
| 朝から働いています。 | から | I have been working since morning. | から marks the starting point of an action. |
| 部屋で本を読みます。 | で | I read a book in the room. | で marks the place where an action occurs. |
| 私は友達と話します。 | と | I talk with my friend. | と marks the person you do something together with; に would be direction, で place, を object. |
| 私も学生です。 | も | I am also a student. | も indicates addition, meaning 'also'. |
| 九時から働きます。 | から | I work from nine o'clock. | から marks the starting time. |
| 駅まで歩きます。 | まで | We walk to the station. | まで indicates the endpoint of movement; に/へ imply arrival. |
| 私は犬が好きです。 | が | I like dogs. | 好き requires が to mark what is liked. |
| スーパーで買い物をします。 | で | I do shopping at the supermarket. | で indicates the place of action; に is for existence, へ direction, を object. |
Japanese particles are short, unstressed and do the work that word order and prepositions do in English. There are not many of them, and the grammar is not complicated. What makes them hard is that the mapping to English is not one-to-one, so the rules people learn first — "は is the topic marker", "に means to" — are true but insufficient. What closes the gap is volume in context: enough real sentences that the right particle starts to sound right before you have finished reasoning about it.
The famous one. は marks the topic — what the sentence is about — while が marks the grammatical subject and tends to introduce new, contrastive or newly-identified information. 私は学生です presents "me" as the topic; 私が学生です answers "which of you is the student?".
Here is the part most games get wrong: in a large share of sentences both are grammatical. 天気はいいです and 天気がいいです are both correct Japanese with a difference in nuance, so a quiz that blanks that slot and accepts only one is marking correct answers wrong. This game therefore tests は against が only where が is genuinely obligatory — after 好き, 嫌い, 上手, 下手, 得意, 苦手, 欲しい, ある, いる, できる, わかる, 見える, 聞こえる. Those predicates take が, full stop, and they are also where learners slip most, so the mode is narrower and far more useful for it.
で marks the place an action happens: 部屋で本を読みます, I read a book in my room. に marks a destination, a point of existence, or a time: 部屋に入ります, I go into the room; 七時に起きます, I get up at seven. The working test is whether the location is the setting of an activity — で — or the endpoint or site of being — に. で also covers means and instrument: バスで行きます, I go by bus.
With verbs of motion these are largely interchangeable. 学校に行きます and 学校へ行きます are both correct, へ leaning slightly towards direction and に towards arrival. Because both are right, this game never offers one as the wrong answer to the other, and any generated sentence that would require it is rejected before you see it.
These are the friendly ones and they repay early attention. を marks the direct object, and also the path or space traversed: 公園を歩きます, I walk through the park. と marks a companion or a complete list. も replaces は or が to mean "also" or "too", which is why 私も and never 私はも. から and まで are from and until, in space and in time alike, and they very often appear as a pair.
Play Fill the Gap until your accuracy per particle stops moving, then read the confusion matrix on your dashboard. It names the exact pair you mix up — に for で, は for が — which is a far more actionable instruction than "practise particles". Then run Review, which serves only sentences you have already got wrong.
Every question is built so that exactly one is. Sentences where a second particle would also be acceptable are rejected before publication, and に and へ are never offered against each other. After you answer, the explanation tells you what the particle is doing in that sentence rather than just marking you.
Because that is the honest scope. In most sentences both are grammatical with a shift in nuance, so testing them against each other would mark correct Japanese wrong. What is genuinely fixed is が after 好き, 上手, ある, わかる and their family — so that is what the mode drills, and it is also the case learners get wrong most often.
They are written for Nihoner and then checked mechanically: the gap must land exactly on the particle it claims to test, that particle must appear only once in the sentence, the reading must contain no kanji, the wrong options must be real particles that are genuinely wrong here, and any explanation that admits another answer also works causes the sentence to be discarded.
Yes — Browse Sentences shows the whole set with answers and explanations visible, no timer and no lives.
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