YOU SAID:
This is the stupidest thing I have never done why do you do this to me?
INTO JAPANESE
これは私がこれまでやったことのない愚かなことです
BACK INTO ENGLISH
This is a stupid thing I've never done before
INTO JAPANESE
これは私が今までやったことがない愚かなことです
BACK INTO ENGLISH
This is a stupid thing I've never done
INTO JAPANESE
これは私がやったことがない愚かなことです
BACK INTO ENGLISH
This is a stupid thing I've never done
You've done this before, haven't you.