YOU SAID:

I bumped into a tree yesterday

INTO JAPANESE

私は昨日木にぶつかった

BACK INTO ENGLISH

Yesterday I bumped into the tree

INTO JAPANESE

昨日、私は木にぶつかって

BACK INTO ENGLISH

Yesterday, I ran into the tree

INTO JAPANESE

昨日、私は木に走った

BACK INTO ENGLISH

Yesterday, I ran into the tree