YOU SAID:
I have never fallen down a tree
INTO JAPANESE
私は木に落ちたことがない
BACK INTO ENGLISH
I have never fallen on trees
INTO JAPANESE
私は決して木に落ちています。
BACK INTO ENGLISH
I never fell trees.
INTO JAPANESE
私は決して木を下った。
BACK INTO ENGLISH
I never fell trees.
Well done, yes, well done!