YOU SAID:

world's keep on changing but i remain unchanged

INTO JAPANESE

世界は変わり続けていますが、私は変わりません

BACK INTO ENGLISH

The world is changing, but I'm not changing

INTO JAPANESE

世界は変わっていますが、私は変わりません

BACK INTO ENGLISH

The world has changed, but I haven't

INTO JAPANESE

世界は変わりましたが、私はしていません

BACK INTO ENGLISH

The world has changed, but I haven't