YOU SAID:
i went to the party and i had a lot of fun
INTO JAPANESE
私はパーティーに行きました、そして私はとても楽しい時を過しました
BACK INTO ENGLISH
I went to the party, and I had a very good time
INTO JAPANESE
私はパーティーに行きました、そして私はとても楽しい時間を過ごしました
BACK INTO ENGLISH
I went to the party, and I had a very good time
You've done this before, haven't you.