YOU SAID:
Yesterday I went to my friends house
INTO JAPANESE
昨日は友達の家に行きました
BACK INTO ENGLISH
I went to my friend's house yesterday
INTO JAPANESE
私は昨日友達の家に行きました
BACK INTO ENGLISH
i went to my friend's house yesterday
INTO JAPANESE
私は昨日友達の家に行きました
BACK INTO ENGLISH
i went to my friend's house yesterday
You've done this before, haven't you.