YOU SAID:

a rain of money will fall

INTO JAPANESE

お金の雨が降る

BACK INTO ENGLISH

It's raining money

INTO JAPANESE

お金を雨が降っています。

BACK INTO ENGLISH

It is raining money.

INTO JAPANESE

お金は雨です。

BACK INTO ENGLISH

It's raining money.

INTO JAPANESE

お金は雨です。

BACK INTO ENGLISH

It's raining money.