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| Form | Affirmative | Negative |
|---|---|---|
| Present | 歯を食いしばる | 歯を食いしばらない |
| Polite | 歯を食いしばります | 歯を食いしばりません |
| Past | 歯を食いしばった | 歯を食いしばらなかった |
| Polite + Past | 歯を食いしばりました | 歯を食いしばりませんでした |
| Te-form | 歯を食いしばって | 歯を食いしばらなくて |
| Potential | 歯を食いしばれる | 歯を食いしばれない |
| Passive | 歯を食いしばられる | 歯を食いしばられない |
| Causative | 歯を食いしばらせる | 歯を食いしばらせない |
| Causative + Passive | 歯を食いしばらされる | 歯を食いしばらされない |
| Imperative | 歯を食いしばれ | 歯を食いしばるな |
Sottaku
Sottaku is an app for learning Chinese, Japanese, Korean, English, Spanish, French, German, and Italian with a strong focus on SRS. It includes automatic flashcard creation for hundreds of thousands of words, grammar breakdowns in example sentences, language-specific study packs where available, adaptive quizzes, mobile apps, a browser extension, and community features. Give it a try now! All learning content is free with no limits on flashcards or study time.
Sottaku is built to match the habits of successful learners. By using Sottaku, you will naturally learn in the most efficient way possible, as proven by countless success stories in the language learning community.
Free Forever
Access all grammar guides, quizzes, and flashcards without paying a cent. Quality education should be accessible to everyone.
Smart SRS System
Our flashcard system uses the FSRS algorithm (also used in Anki) to optimize your review schedule and maximize retention.
Comprehensive Content
From hanzi, kana, hangul, and European vocabulary basics to grammar and reading practice where available, we have lessons for every level. Practice with quizzes tailored to your skill.
Community Chat
Ask level-appropriate questions and get help from the community. Learn together with fellow learners across all 8 supported languages.