YOU SAID:

I want to know, have you ever seen the rain coming down on a sunny day?

INTO JAPANESE

知って、晴れた日に下って来る雨を見たかい?

BACK INTO ENGLISH

Have you ever seen the rain coming down to know, on a sunny day?

INTO JAPANESE

これまで知っている、晴れた日に降る雨を見たか。