〜ている / 〜てある (Ongoing vs State)
Distinguish ongoing actions from resultant states.
Observing the World
Imagine you walk into a room. You see your friend eating lunch, and you also see a window that has been left open. In Japanese, you describe these two situations using different grammar patterns, even though both involve the 'te-form'.
The Grammar Patterns
The difference lies in whether you are focusing on the action itself or the resulting state of an object.
Tip
Seeing it in Action
Compare these examples to see how the focus shifts.
私は本を読んでいる。
I am reading a book.
窓が開けてある。
The window has been opened (and is currently open).
友達がテレビを【みている】。
Hint: Ongoing action
My friend is watching TV.
Nuance and Usage
Choosing between these forms changes the meaning of your sentence significantly.
Ongoing vs State
〜ている
Focus on the action happening now.
ドアを閉めている (I am closing the door)
〜てある
Focus on the result of the action.
ドアが閉めてある (The door is closed)
Which sentence describes a state resulting from an action?
- 本を読んでいる
- ✓ 本が置いてある
置いてある describes the state of the book being placed there.
Deep Dive: Transitive vs Intransitive
A note on verb types.
Lesson Summary
Use 〜ている for ongoing actions and 〜てある for resultant states. Keep in mind that 〜てある implies an intentional action was taken to create that state.