「〜たい」expresses the speaker's desire to do something — "I want to ~". Structure: verb masu-stem ＋ たい (conjugates like an i-adjective) ✅ Nihon ni ikitai desu. (I want to go to Japan.) ✅ Rāmen ga tabetai desu. (I want to eat ramen.) ✅ Nihongo wo jōzu ni hanashitai desu. (I want to speak Japanese well.) Conjugation (like i-adjectives): たい→たくない (negative) / たかった (past desire) E.g.: ikitakunai (don't want to go), ikitakatta (wanted to go) 💡 「ほしい」for nouns (want a car); 「たい」for verbs (want to buy)