YOU SAID:

If I will climb the tree,I know I will fall.

INTO JAPANESE

もし私が木に登るなら、私は落ちるだろうと分かっています。

BACK INTO ENGLISH

I know that if I climb trees, I will fall.

INTO JAPANESE

私は木に登ると落ちることを知っています。

BACK INTO ENGLISH

I know that when I climb a tree I will fall.

INTO JAPANESE

私は、木に登るとき、私が落ちる、ということを知っています。

BACK INTO ENGLISH

Know that I fall when I climb a tree,.

INTO JAPANESE

昔　ラブ飼ってたんだよ

BACK INTO ENGLISH

Did you know that I had a lab when I growing up?

INTO JAPANESE

昔　ラブ飼ってたんだよ

BACK INTO ENGLISH

Did you know that I had a lab when I growing up?