YOU SAID:

I had relations with a tree.

INTO JAPANESE

私は木と関係がありました。

BACK INTO ENGLISH

I had a connection with trees.

INTO JAPANESE

私は木々とつながっていた。

BACK INTO ENGLISH

I was connected to the trees.

INTO JAPANESE

私は木々につながっていた。

BACK INTO ENGLISH

I was connected to the trees.