Experience returning home for a backpack with 〜た+ことがある
Grammar Explanation: Previous experience with 〜た+ことがある

Rize wonders what became of the missing piece from Chiya’s puzzle. Syaro suggets it’ll turn up once it’s no longer being looked for. This reminds Chiya of something else that was forgotten.
- 千夜:
- 「シャロちゃんは学校
( にランドセルを忘( れたまま帰( ってきた事( があったわ」- “Sharo-chan once came home having left her backpack at school.”
- Literal: “There was a time when Sharo-chan came home having left her backpack at school.”
- “Sharo-chan once came home having left her backpack at school.”
- シャロ:
- 「明日
( 学校( 行( けない…」- “I can't go to school tomorrow...”
Key Points
1帰( ってきた事( があった reports a past experience
- Chiya says there was an occasion when Syaro came home after leaving her backpack at school.
2忘( れたまま keeps the backpack in its forgotten state
- 〜たまま says Syaro came home while the backpack remained at school.
3行( けない is the negative potential form
- Syaro says she cannot go to school, not simply that she will not go. 行
( く becomes potential 行( ける, then negative 行( けない.
- ちゃん is an affectionate, informal suffix attached to names, used mainly for children, close friends, and family members.
Vocabulary
学校 (School)
学校
( means a school, where teachers provide organized instruction to students.明日 (Tomorrow)
明日
( means tomorrow, the day after today.行く (To go)
行
( く means to go or move toward a place away from the speaker.
See Also
- Grammar: Previous experience with 〜た+ことがある
- Future entry: Past tense with 〜た・〜だ
- Future entry: Leaving as is with 〜まま
- Grammar: Marking the topic with は and も
- Future entry: Able to do with 〜れる・〜られる
- Grammar: Negation with 〜ない
- Kanji: Schools and checking with 校
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