Whilst it's true that the American standard is taught in Japanese schools, people come out of schools not speaking much English. To achieve a native-level abili

Whilst it's true that the American standard is taught in Japanese schools, people come out of schools not speaking much English. To achieve a native-level ability in English, a Japanese person would probably have spent significant time in an English-speaking country, and that's likely to be a larger influence on their usage. (I have lived in Japan in the past.)