「〜ませんか」invites or suggests — "wouldn't you like to ~?" Structure: verb masu-stem ＋ ませんか ✅ Issho ni eiga wo mimasen ka? (Would you like to watch a movie together?) ✅ Kōhī wo nomimasen ka? (Would you like some coffee?) ✅ Kōen wo sanpo shimasen ka? (Shall we take a walk in the park?) Responses: 「はい、ぜひ！」(Yes, by all means!) 「すみません、ちょっと…」(Sorry, a bit busy…) 💡 More polite than ましょう — checks the other person's preference first