Free Forever
Access all grammar guides, quizzes, and flashcards without paying a cent. Quality education should be accessible to everyone.
| Form | Affirmative | Negative |
|---|---|---|
| Present | ため息を吐く | ため息を吐かない |
| Polite | ため息を吐きます | ため息を吐きません |
| Past | ため息を吐いた | ため息を吐かなかった |
| Polite + Past | ため息を吐きました | ため息を吐きませんでした |
| Te-form | ため息を吐いて | ため息を吐かなくて |
| Potential | ため息を吐ける | ため息を吐けない |
| Passive | ため息を吐かれる | ため息を吐かれない |
| Causative | ため息を吐かせる | ため息を吐かせない |
| Causative + Passive | ため息を吐かされる | ため息を吐かされない |
| Imperative | ため息を吐け | ため息を吐くな |
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.