っけ
(Kke)
Used when the speaker is trying to recall information or confirm something they previously heard.
Connection rules
- +Plain form + っけ
- +Polite form (ました/でした) + っけ
- +Na-Adjective/Noun + だっけ
Examples
1.
今日の会議は何時からだったっけ。

Kyou no kaigi ha nan ji kara da ta kke.
What time was today's meeting again?
「Checking the schedule」
2.
あの人は鈴木さんと言いましたっけ。

Ano hito ha suzuki san to ii mashi ta kke.
Did you say that person was Mr. Suzuki?
「Confirming a name」
Practice
I forgot... what was the name of that restaurant we went to last week?
ええと、先週行ったレストランの名前は___。
Romaji also accepted