YOU SAID:

i wonder if this still works

INTO JAPANESE

これはまだ機能しているのかな

BACK INTO ENGLISH

I wonder if this is still working.

INTO JAPANESE

これはまだ機能しているのだろうか。

BACK INTO ENGLISH

Is this still working?

INTO JAPANESE

これはまだ機能していますか？

BACK INTO ENGLISH

Is this still working?