YOU SAID:

I can't believe God was exist

INTO JAPANESE

神が存在していたなんて信じられない

BACK INTO ENGLISH

I can't believe that God existed

INTO JAPANESE

そんなことは信じられない。

BACK INTO ENGLISH

I can't believe that.

INTO JAPANESE

そんなことは信じられない。

BACK INTO ENGLISH

I can't believe that.