YOU SAID:

if a tree falls when no one is around does it make a sound

INTO JAPANESE

誰もいないときに木が倒れても、それは音を立てない

BACK INTO ENGLISH

If a tree falls when no one is there, it makes no noise

INTO JAPANESE

誰もいないときに木が倒れても、音はしない。

BACK INTO ENGLISH

No sound is heard when the tree falls when no one is there.

INTO JAPANESE

誰もいないときに木が倒れたときには音は聞こえない。

BACK INTO ENGLISH

No sounds can be heard when a tree falls when no one is there.

INTO JAPANESE

誰もいないときに木が倒れたときには音は聞こえない。

BACK INTO ENGLISH

No sounds can be heard when a tree falls when no one is there.