A casual sentence-final particle used to confirm or recall something, often with a sense of 'I forgot' or 'wasn't it?'.
Attaches to
Attaches to the plain past tense of verbs, い-adjectives, and な-adjectives, or directly to nouns. For verbs, use the た-form (e.g., 行ったっけ, 食べたっけ). For adjectives, use the past form: かったっけ for い-adjectives, だったっけ for な-adjectives and nouns. Can also attach to the polite past form: でしたっけ.
っけ is a casual suffix you add when you're trying to remember something or double-check a fact with yourself or with someone you're close to. It often carries a feeling of 'Hmm, was it...?' or 'I can't quite recall, but...'. For example, if you're wondering what time the meeting was, you might say to yourself '会議は何時だっけ?' It's like thinking out loud or asking for confirmation in a light way. It's also used when you remember something from the past and want to confirm if it's true, like 'That test was hard, wasn't it?'
明日の約束、何時だっけ?
Ashita no yakusoku, nanji da kke?
What time was our appointment tomorrow again?
この映画、前に見たっけ?
Kono eiga, mae ni mita kke?
Did I watch this movie before?
あの先生、厳しかったっけ。
Ano sensei, kibishikatta kke.
That teacher was strict, wasn't he?
Not かな (ka na)
かな expresses uncertainty or wondering ('I wonder'), while っけ is specifically for trying to recall or confirm something you've forgotten. っけ often expects a yes/no or a specific answer, and is more like 'was it...?', whereas かな is more open-ended.
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Casual and spoken; used among friends, family, or people of similar status. Not used in formal writing or polite conversation with superiors unless as でしたっけ, which is still conversational but more polite.
🎯 Quick Quiz
What does this grammar pattern mean or do?
っけ
📚 How to Master This Pattern
🔊
Say It Aloud
Press Hear it and repeat っけ three times. Feel the rhythm — grammar patterns have a natural flow.
🃏
Flip Before Reading
Always try to recall the usage before flipping the card. Struggle = learning. Every failed recall makes the next one stick harder.
✍️
Write Two Sentences
Compose two original sentences using っけ. One about yourself, one about something you see right now.
⏰
Spaced Review
Save this pattern and revisit at 10 min, 1 day, 3 days. Production (writing) beats recognition for grammar.
Nihoner currently groups this pattern under JLPT N3 — Intermediate · Expressing nuance & contrast. Use the level label as study guidance rather than a prediction of what will appear on an exam.
How do you use っけ in a sentence?▼
Attach っけ (kke) to the appropriate verb or noun form as described in the usage notes. Then try writing two original sentences — one about yourself and one about something around you.
Is っけ formal or casual Japanese?▼
っけ is used in both casual and polite contexts. It appears frequently in everyday conversation, textbooks, and simple written materials.
How can I remember っけ long-term?▼
Use the flashcard on this page for active recall — see the pattern, reconstruct the usage from memory, then flip. Follow with the 4-choice quiz to distinguish it from similar patterns. Review later the same day and again over the following days. Writing original sentences can help you practise using the pattern in context.
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