YOU SAID:
MY party is having to many people coming!
INTO JAPANESE
私のパーティーには多くの人々が来る必要があります!
BACK INTO ENGLISH
There are a lot of people coming to my party!
INTO JAPANESE
私の党にはたくさんの人が来ています!
BACK INTO ENGLISH
A lot of people are coming to my party!
INTO JAPANESE
多くの人が私の党に来ています!
BACK INTO ENGLISH
A lot of people are coming to my party!
That didn't even make that much sense in English.