YOU SAID:
i had fun at the party last night
INTO JAPANESE
昨夜のパーティーで楽しかった
BACK INTO ENGLISH
It was fun at the party last night
INTO JAPANESE
昨夜のパーティーは楽しかった
BACK INTO ENGLISH
Last night's party was fun
INTO JAPANESE
昨夜のパーティーは楽しかった
BACK INTO ENGLISH
Last night's party was fun
You've done this before, haven't you.