Saturday, December 28, 2019

meaning - いい versus よい? When do you use which?



What is the difference between いい and よい?


I notice that usually, いい is most commonly used, but sometimes, I get it wrong and よい is the correct answer. What is the situation to use each and what is the difference?


Thanks for the help.



Answer



They are quite the same except that よい sounds a bit more formal or contrived depending on the situation but that's all.


What you may already know is that いい only has a 連体形 and a 終止形 which are いい in both cases. For the others bases you have to use よい.


連用形 → よく・よかっ; ex: よくない・よかった
未然形 → よかろう


Some expressions explicitly call for よい but it is rare and most of the time rather archaic usage. (ex: 聞くが良い - You should listen)


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