YOU SAID:
she'll be coming around the mountain when she comes
INTO JAPANESE
彼女が来るとき、彼女は山を回ってくるでしょう
BACK INTO ENGLISH
She will come around the mountain when she comes
INTO JAPANESE
彼女が来るとき、彼女は山の周りに来るでしょう
BACK INTO ENGLISH
She will come around the mountain when she comes
Come on, you can do better than that.