YOU SAID:
i too went to the party to buy two parts
INTO JAPANESE
私もパーティーにパーツを2つ買いに行きました
BACK INTO ENGLISH
I also went to buy two parts for the party
INTO JAPANESE
パーティー用のパーツも2つ買いに行きました
BACK INTO ENGLISH
I also went to buy two parts for the party
You've done this before, haven't you.