YOU SAID:

sometimes when I go to the bathroom I like to read a book

INTO JAPANESE

時々トイレに行くと本を読むのが好きです

BACK INTO ENGLISH

I like to read books when I go to the bathroom from time to time

INTO JAPANESE

時々トイレに行くときは本を読むのが好きです

BACK INTO ENGLISH

Sometimes I like to read books when I go to the bathroom

INTO JAPANESE

トイレに行くときに本を読むのが好きなこともあります

BACK INTO ENGLISH

Sometimes I like reading books when I go to the bathroom

INTO JAPANESE

トイレに行くときに本を読むのが好きなこともあります

BACK INTO ENGLISH

Sometimes I like reading books when I go to the bathroom