I went to a language school inUK for abit. My grammar suckedtbh but Iwas somewhatgoodat speaking. Therewasn't much grammar study.Itwasmoreliketraining each patternagainand again.Likeyoutrain "so that" pattern in10 different settings for example. Then I came to the states and juststarted working.You swim or drown situation. Ididn't wanna drown obviously sodideverything.I memorized thousands of vocabularies, read hundreds of magazines and mangas, watched tons of sitcomsand animes, practiced differentiating and pronouncing vowels and consonants, limiting myself toonly search inEnglish, basicallyanythingyou can think of except usingJapanese materialsas Ididn't findit helpful.It'll be abook if Igo into the details butyougot theidea.