YOU SAID:
i went to a party yesterday
INTO JAPANESE
昨日パーティーに行ってきました
BACK INTO ENGLISH
Yesterday I went to a party
INTO JAPANESE
昨日パーティーに行きました
BACK INTO ENGLISH
I went to a party yesterday
INTO JAPANESE
昨日パーティーに行ってきました
BACK INTO ENGLISH
Yesterday I went to a party
INTO JAPANESE
昨日パーティーに行きました
BACK INTO ENGLISH
I went to a party yesterday
it is unlikely that this phrase will ever reach equilibrium