YOU SAID:
My sister is going to a party next saturday
INTO JAPANESE
私の妹は次の土曜日にパーティーに行く
BACK INTO ENGLISH
My sister goes to party next Saturday
INTO JAPANESE
私の妹は次の土曜日にパーティーに行きます
BACK INTO ENGLISH
My sister goes to party next saturday
INTO JAPANESE
妹は次の土曜日にパーティーに行く
BACK INTO ENGLISH
My sister goes to party next Saturday
INTO JAPANESE
私の妹は次の土曜日にパーティーに行きます
BACK INTO ENGLISH
My sister goes to party next saturday
INTO JAPANESE
妹は次の土曜日にパーティーに行く
it is unlikely that this phrase will ever reach equilibrium