Particles
Marking Direct Objects and Motion Routes
The Japanese particle を marks the direct object in a sentence, showing what is receiving an action like eating, reading, or watching. It is also used with motion verbs to show the space you are moving through or the place you are departing from. Although it is written as を in hiragana, it is pronounced exactly like 'o' in modern spoken Japanese.
01Main Functions
Marks the Direct Object
Placed directly after a noun, を shows what is being acted upon by a transitive verb, such as what you eat, drink, watch, or buy.
水を飲みます。
(I) drink water.
Marks the Route or Space Traversed
When paired with motion verbs like walking, running, or flying, を indicates the area or route being moved through.
道を歩きます。
(I) walk along the road.
Marks the Point of Departure
For verbs like leaving, exiting, or getting off a vehicle, を marks the location that is being left behind.
電車を降ります。
(I) get off the train.
02Sentence Pattern
noun + を + 食べます
朝ごはんを食べます。
(I) eat breakfast.
The particle を attaches directly to "breakfast" to show what is being eaten.
noun + を + 読みました
新聞を読みました。
(I) read a newspaper.
を marks the newspaper as the object that received the action of reading.
noun + を + 買いましたか
何を買いましたか。
What did (you) buy?
When asking about the object of an action, place を directly after the question word 何 (what).
noun + を + 散歩します
公園を散歩します。
(I) take a walk through the park.
With the continuous motion verb 散歩する (to take a walk), を marks the park as the space being moved through, not the target of a direct action.
noun + を + 飛びます
鳥が空を飛びます。
A bird flies in the sky.
The sky is the continuous space traversed by the bird's flight, so it takes を.
noun + を + 出ます
家を出ます。
(I) leave the house.
Here, を marks the house as the starting point being left behind.
noun + を + 降ります
バスを降ります。
(I) get off the bus.
The particle を marks the bus as the location you are departing from when getting off.
03Example Sentences
朝ごはんを食べます。
(I) eat breakfast.
The particle を attaches directly to "breakfast" to show what is being eaten.
新聞を読みました。
(I) read a newspaper.
を marks the newspaper as the object that received the action of reading.
何を買いましたか。
What did (you) buy?
When asking about the object of an action, place を directly after the question word 何 (what).
毎日コーヒーを飲みます。
(I) drink coffee every day.
を connects the transitive action of drinking to the coffee receiving the action.
今日はテレビを見ません。
(I) will not watch TV today.
を marks the TV as the object of the action, even in a negative sentence.
音楽を聞きましょう。
Let's listen to music.
The particle を attaches to music, marking it as the object that is being listened to.
公園を散歩します。
(I) take a walk through the park.
With the continuous motion verb 散歩する (to take a walk), を marks the park as the space being moved through, not the target of a direct action.
鳥が空を飛びます。
A bird flies in the sky.
The sky is the continuous space traversed by the bird's flight, so it takes を.
道を歩きます。
(I) walk along the road.
を marks the road as the continuous physical space that is being walked along.
あの角を右に曲がってください。
Please turn right at that corner.
When turning, the corner is treated as the space you are passing through, so it is marked with を.
毎朝八時に家を出ます。
(I) leave the house at eight o'clock every morning.
Here, を marks the house as the starting point being left behind.
次の駅でバスを降ります。
(I) get off the bus at the next station.
The particle を marks the bus as the location you are departing from when getting off.
04Comparisons
を vs. が
を marks the direct object receiving an action, while が marks the grammatical subject doing the action or the target of certain state verbs and preferences.
りんごを食べます。
(I) eat an apple.
りんごが好きです。
(I) like apples.
を vs. で
When dealing with locations, を marks the space traversed by a continuous motion (like walking or flying), whereas で marks the location where a stationary action occurs (like eating or reading).
公園を歩きます。
(I) walk through the park.
公園で食べます。
(I) eat in the park.
を vs. に
With motion verbs, に marks the final destination you arrive at or enter, while を marks the starting point you leave behind or the route you take.
電車に乗ります。
(I) get on the train.
電車を降ります。
(I) get off the train.
05Nuance and Usage
In modern Japanese, the character を is used almost exclusively as a grammatical particle. Although you type 'wo' on a keyboard to produce it, it is pronounced exactly like お ('o') in standard spoken Japanese. There is no hard 'w' sound.
In casual spoken Japanese, native speakers frequently drop the を particle entirely if the context makes it obvious what the direct object is. For example, saying コーヒー飲む？ (Want to drink coffee?) is completely natural among friends. However, in polite speech and written Japanese, を is normally expected and should not be omitted.
Standard Japanese grammar generally avoids using the を particle more than once in a single clause. If a sentence requires both a route of motion and a direct object, the sentence is usually restructured or a different particle is used to avoid doubling up on を, though beginners rarely need to worry about this constraint early on.
06Core Explanation
The Japanese particle を marks the direct object in a sentence, showing what is receiving an action like eating, reading, or watching.
The primary role of the Japanese particle を is to mark the direct object of a sentence. It connects a transitive action to the thing receiving that action. For example, if you eat an apple or read a book, を is placed directly after the apple or the book. While English relies heavily on word order to indicate which noun is the object, Japanese relies on particles, allowing the verb to safely sit at the end of the sentence.
A crucial detail for beginners is pronunciation. Even though the particle is written with the hiragana character を (romanized as "wo"), it is pronounced exactly like お ("o") in modern spoken Japanese. The character を is almost exclusively reserved for this grammatical role, meaning you will rarely see it used as part of regular vocabulary words.
Beyond marking direct objects, を has a second major function: Indicating a route or a space traversed during a continuous movement. When you use verbs like 歩く (to walk), 飛ぶ (to fly), or 曲がる (to turn), を marks the area you are moving through. It is helpful to contrast this with the particle で. While で marks the location where a stationary action occurs (like eating in a park), を marks the space you physically cross (like walking through a park).
A third related function of を is marking the point of departure. When using verbs like 出る (to leave or exit) or 降りる (to get off a vehicle), を indicates the place you are leaving behind. You can contrast this with the destination particles に and へ; those particles point to the place you are heading toward, whereas を points to the place you are moving away from.
A common learner mistake is confusing を with が. Keep in mind that を marks the object being acted upon, whereas が marks the grammatical subject doing the action. Also, certain state verbs and expressions of preference or potential (such as 好き for "liking" or わかる for "understanding") typically take が, not を. Finally, it is completely normal in casual spoken Japanese for native speakers to drop the を particle entirely if the context makes the relationship between the noun and the verb obvious.
07Common Mistakes
Wrong
映画を好きです。
Correct
映画が好きです。
Why: Words of preference like 好き and 嫌い take が, not を, because they describe a state rather than a direct action.
Wrong
日本語をわかります。
Correct
日本語がわかります。
Why: The verb わかる (to understand) describes a state of understanding, so the thing understood is marked with が, not the direct object marker を.
Wrong
日本を行きます。
Correct
日本に行きます。
Why: 行く (to go) is a destination-oriented verb. You must use に or へ to mark the destination you are heading toward. を is only for the space traversed or the place left behind.
Wrong
レストランを晩ごはんを食べます。
Correct
レストランで晩ごはんを食べます。
Why: To mark the location where an action like eating happens, you must use で. を is used to mark the direct object receiving the action (dinner).
Wrong
バスを乗ります。
Correct
バスに乗ります。
Why: Getting onto or entering a vehicle requires the target particle に. You only use を when getting off (降りる) to mark the vehicle you are leaving.
Wrong
パンお食べます。
Correct
パンを食べます。
Why: Although pronounced exactly like 'o', the object marker is always written with the hiragana character を, never with お.
08Questions
Why is を typed as 'wo' if it is pronounced 'o'?
Typing 'wo' on a keyboard tells the input system to output the specific hiragana character を rather than the standard vowel お. Historically, を did have a 'w' sound, but over time the pronunciation shifted to match お in modern standard Japanese.
Can I use を with words like 'like' or 'understand'?
Generally, no. Words that describe a state, preference, or potential—such as 好き (like), わかる (understand), or ほしい (want)—typically take the particle が because they don't represent a direct action.
How do I know whether to use を or で for a location?
Use を when the verb involves continuous movement through a space (like walking, flying, or turning). Use で when the verb is a stationary action that happens to occur in that location (like eating, reading, or playing).
09Mini Practice
- 01
水（ ）飲みます。
- 02
空（を・で）飛びます。
- 03
(I) will read a book.
Tap the pieces in the correct order.
- 04
(Addressing a friend) お茶、飲む？
- 05
毎朝、７時に家（ ）出ます。
- 06
アニメ（を・が）好きです。
- 07
Please turn right at the next corner.
Tap the pieces in the correct order.
- 08
(Writing a formal essay) 昨日、映画見ました。
Summary
Learner Summary
- The particle を connects an action to its direct object, showing what is being acted upon (e.g., eating an apple).
- It also marks the continuous space or route you travel through when using motion verbs like walking or flying.
- When getting off a vehicle or leaving a place, を marks the starting point you are departing from.
- It is always written in hiragana as を, but it is pronounced exactly like お ('o') without a 'w' sound.
- In casual conversations, native speakers often drop を entirely, but it should be kept in formal speech and writing.