Meaning & usage
っけ is a casual sentence ending used when trying to recall something forgotten or to confirm a fact with the listener. It follows plain forms such as 何だっけ, だったっけ, 行ったっけ, ないっけ, and のだっけ, with でしたっけ as a slightly polite variant. It is common in conversation and should be avoided in formal writing or to senior listeners.
Example sentences 6
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次の時間は何だっけ？
What is the next class?
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最後に会ったのはいつだったっけ？
When was the last time we met?
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あの人何学部だっけ？
What faculty were they in again?
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電話、貸してあげるって言ったっけ？
Did I say you could use my phone?
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母の日って、いつだっけ？
When is Mother's Day?
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どこに置いたっけ？
Where did I put it?
