YOU SAID:

There's a party on the hill, would you like to come?

INTO JAPANESE

丘の上でパーティーがあります、来ませんか？

BACK INTO ENGLISH

There is a party on the hill, why don't you come?

INTO JAPANESE

丘の上でパーティーがありますので、是非来てみませんか？

BACK INTO ENGLISH

There is a party on the hill, so why don't you come?

INTO JAPANESE

丘の上でパーティーがあるので、来てみませんか？

BACK INTO ENGLISH

There is a party on the hill, so why not come?

INTO JAPANESE

丘の上でパーティーがありますので、是非お越しください。

BACK INTO ENGLISH

There will be a party on the hill, so please come visit us.

INTO JAPANESE

丘の上でパーティーがありますので、ぜひお越しください。

BACK INTO ENGLISH

There will be a party on the hill, so please come visit us.