YOU SAID:
I thought that i've been hurt before.
INTO JAPANESE
私は以前にけがをしたことがあると思いました。
BACK INTO ENGLISH
I thought there was something I got hurt before.
INTO JAPANESE
私は以前にけがをしたことがあると思いました。
BACK INTO ENGLISH
I thought there was something I got hurt before.
That didn't even make that much sense in English.