YOU SAID:

i love to have big parties at my friends mansion

INTO JAPANESE

私は私の親友の大邸宅で大きなパーティがあるみたい

BACK INTO ENGLISH

I seems to have a big party at my friend's mansion

INTO JAPANESE

私は私の友人のマンションに盛大なパーティーを持っているようです。

BACK INTO ENGLISH

I seems to have a big party in my friend's apartment.

INTO JAPANESE

私の友人のアパートで盛大なパーティがあるらしい

BACK INTO ENGLISH

Seems to be a big party in my friend's apartment

INTO JAPANESE

私の友人のアパートで大きなパーティーをするようです。

BACK INTO ENGLISH

Seems to a big party at my friend's apartment.

INTO JAPANESE

私の友人のアパートで大きなパーティーみたいです。

BACK INTO ENGLISH

In my friend's apartment is like a big party.

INTO JAPANESE

私の友人のアパートで盛大なパーティのようです。

BACK INTO ENGLISH

In my friend's apartment is like a big party.