YOU SAID:
I cannot believe she is married now.
INTO JAPANESE
私は彼女が今結婚しているなんて信じられません。
BACK INTO ENGLISH
I do not believe she is married now.
INTO JAPANESE
私は彼女が今結婚しているとは思いません。
BACK INTO ENGLISH
I do not think she is married now.
INTO JAPANESE
私は彼女が今結婚しているとは思いません。
BACK INTO ENGLISH
I do not think she is married now.
Well done, yes, well done!