YOU SAID:

yesterday I went to my dojo to do some judo and my friend fell down

INTO JAPANESE

昨日私は柔道をするために私の道場に行き、私の友人は倒れた

BACK INTO ENGLISH

Yesterday I went to my dojo to do judo and my friend fell down

INTO JAPANESE

昨日私は柔道をするために私の道場に行き、私の友人は倒れました

BACK INTO ENGLISH

Yesterday I went to my dojo to do judo and my friend fell down