YOU SAID:
he she know knowledge has some know
INTO JAPANESE
彼は彼女が知識を知っていることを知っている
BACK INTO ENGLISH
He knows that she knows the knowledge
INTO JAPANESE
彼は彼女が知識を知っていることを知っています
BACK INTO ENGLISH
He knows that she knows the knowledge
Yes! You've got it man! You've got it