YOU SAID:

I will create a party with my family and my friends.

INTO JAPANESE

私は家族と友達とパーティーを作ります。

BACK INTO ENGLISH

I will make a party with my family and my friends.

INTO JAPANESE

私は家族や友達とパーティーをする。

BACK INTO ENGLISH

I have a party with my family and my friends.

INTO JAPANESE

私は家族や友達とパーティーをしています。

BACK INTO ENGLISH

I am having a party with my family and my friends.

INTO JAPANESE

私は家族と友達とパーティーをしています。

BACK INTO ENGLISH

I am having a party with my family and my friends.