Meaning
〜っけ is used when the speaker wants to confirm something they're unsure about or have forgotten. It's formed by adding っけ to the past tense of verbs and adjectives, or to the past form of nouns. This pattern is casual and best used with people you know well; more polite alternatives include 〜ましたっけ and 〜でしたっけ.
Formation
| Part of speech | Formation |
|---|---|
| 动词（た形） | っけ |
| い形容词（…い） | かった → っけ |
| な形容词 | だ/だった → っけ |
| 名词 | だ/だった → っけ |
Examples
-
駅前のケーキ屋さんは何時までやってたっけ。
What time does the cake shop in front of the station close again? -
娘：お父さん、明日はまた一日中忙しいんだっけ。 父：いいや、早く家に帰れると思うよ。
Daughter: Dad, are you going to be busy all day tomorrow again? Father: No, I think I'll be able to come home early. -
あの映画は退屈だったっけ。
Wasn't that movie boring? -
A: 妹さんの美咲ちゃんは、今高校生だっけ？ B: ええ。そうよ。
A: Your younger sister Misaki is a high school student now, isn't she? B: Yes, that's right.
Summary
- Used to seek confirmation about things you've forgotten or are uncertain about
- Formed by attaching っけ to past tense forms of verbs, い-adjectives, な-adjectives, and nouns
- Casual and intimate in tone; use 〜ましたっけ or 〜でしたっけ for more polite contexts