YOU SAID:

i dont see how he could ever forgive her

INTO JAPANESE

彼がどうやって彼女を許すことができるのかわからない

BACK INTO ENGLISH

I don't know how he can forgive her

INTO JAPANESE

彼がどうやって彼女を許すことができるのか分かりません

BACK INTO ENGLISH

I don't know how he can forgive her