YOU SAID:
have you ever done this in school because you where bored
INTO JAPANESE
退屈だから学校でこれをやったことがありますか
BACK INTO ENGLISH
Have you ever done this at school because you were bored
INTO JAPANESE
退屈で学校でこんなことをしたことがありますか
BACK INTO ENGLISH
Have you ever done this at school because you were bored?
INTO JAPANESE
退屈だったので、学校でこれをしたことがありますか?
BACK INTO ENGLISH
Have you ever done this at school because you were bored?
You've done this before, haven't you.