YOU SAID:

I should get 9 votes to do something

INTO JAPANESE

私は何かをするために9票を得る必要があります

BACK INTO ENGLISH

I have to get nine votes to do something

INTO JAPANESE

私は何かをするために9票を得なければならない

BACK INTO ENGLISH

I have to get nine votes to do something.

INTO JAPANESE

私は何かをするために9票を得なければなりません。

BACK INTO ENGLISH

I have to get nine votes to do something.