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| Form | Affirmative | Negative |
|---|---|---|
| Present | 約束を守る | 約束を守らない |
| Polite | 約束を守ります | 約束を守りません |
| Past | 約束を守った | 約束を守らなかった |
| Polite + Past | 約束を守りました | 約束を守りませんでした |
| Te-form | 約束を守って | 約束を守らなくて |
| Potential | 約束を守れる | 約束を守れない |
| Passive | 約束を守られる | 約束を守られない |
| Causative | 約束を守らせる | 約束を守らせない |
| Causative + Passive | 約束を守らされる | 約束を守らされない |
| Imperative | 約束を守れ | 約束を守るな |
Sottaku
Sottaku is an app for learning a growing range of Asian and European languages 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 every supported language.