YOU SAID:
i forgot my calculus binder at home
INTO JAPANESE
自宅で微積分バインダーを忘れてしまいました
BACK INTO ENGLISH
I forgot the calculus binder at home
INTO JAPANESE
自宅で微積分バインダーを忘れてしまいました
BACK INTO ENGLISH
I forgot the calculus binder at home
You should move to Japan!