Free Forever
Access all grammar guides, quizzes, and flashcards without paying a cent. Quality education should be accessible to everyone.
| Form | Affirmative | Negative |
|---|---|---|
| Present | 階段を上る | 階段を上らない |
| Polite | 階段を上ります | 階段を上りません |
| Past | 階段を上った | 階段を上らなかった |
| Polite + Past | 階段を上りました | 階段を上りませんでした |
| Te-form | 階段を上って | 階段を上らなくて |
| Potential | 階段を上れる | 階段を上れない |
| Passive | 階段を上られる | 階段を上られない |
| Causative | 階段を上らせる | 階段を上らせない |
| Causative + Passive | 階段を上らされる | 階段を上らされない |
| Imperative | 階段を上れ | 階段を上るな |
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.