YOU SAID:

if a tree falls in the forest and nobody hears did it make a sound

INTO JAPANESE

木が森に落ちて誰も聞いたことがない

BACK INTO ENGLISH

Trees have fallen into the forest and nobody has heard of it

INTO JAPANESE

木は森に落ちていて誰もそれを聞いていない

BACK INTO ENGLISH

Trees are falling in the forest Nobody has heard of it

INTO JAPANESE

木は森に落ちている誰も聞いたことがない

BACK INTO ENGLISH

Trees are falling in the forest No one has heard of it

INTO JAPANESE

木は森に落ちている誰も聞いたことがない

BACK INTO ENGLISH

Trees are falling in the forest No one has heard of it