YOU SAID:

she could have been alive if you where her friend

INTO JAPANESE

彼女の友人がいる場所にいれば、彼女は生きていたかもしれない

BACK INTO ENGLISH

If she had stayed where her friend was, she might have been alive.

INTO JAPANESE

もし彼女が友人のいる場所に留まっていたら、彼女は生きていたかもしれない。

BACK INTO ENGLISH

If she had stayed where her friend was, she might have been alive.