YOU SAID:

that party last night was really fun

INTO JAPANESE

昨夜のパーティーは本当に楽しかった

BACK INTO ENGLISH

I really enjoyed the party last night

INTO JAPANESE

昨夜は本当に楽しかった

BACK INTO ENGLISH

I really enjoyed last night

INTO JAPANESE

昨夜は本当に楽しかった

BACK INTO ENGLISH

I really enjoyed last night