How to say “I bought a book when I was in Japan.” in JapaneseIn Japanese日本(にほん)に行(い)ったとき、本(ほん)を買(か)いました。Nihon ni itta toki, hon o kaimashita.▶ Hear it in JapaneseLearn it in a lessonTelling a story in Japanese with とき and ながらI bought a book when I was in Japan. in other languagesWhat I bought a book when I was in Japan. meansIn PortugueseIn French