YOU SAID:
I wanna know have you ever seen the rain
INTO JAPANESE
私はあなたが今まで雨を見たことがあることを知りたいです
BACK INTO ENGLISH
I want to know that you have ever seen the rain
INTO JAPANESE
雨を見たことがあることを知りたい
BACK INTO ENGLISH
I want to know that I have seen the rain
INTO JAPANESE
雨を見たことを知りたい
BACK INTO ENGLISH
I want to know that I saw the rain
INTO JAPANESE
雨を見たことを知りたい
BACK INTO ENGLISH
I want to know that I saw the rain
That didn't even make that much sense in English.