YOU SAID:
hello goodbye may i never see you again
INTO JAPANESE
こんにちは、さようなら、二度とあなたに会えないかもしれません
BACK INTO ENGLISH
Hello, goodbye, you may never see me again
INTO JAPANESE
こんにちは、さようなら、もう私に会えないかもしれません
BACK INTO ENGLISH
Hello, goodbye, you may not see me anymore
INTO JAPANESE
こんにちは、さようなら、もう私に会えないかもしれません
BACK INTO ENGLISH
Hello, goodbye, you may not see me anymore
That didn't even make that much sense in English.