be，used和used的區別

  be used是動詞的被動語態。而used是過去式。或者過去分詞。

  例如：1) Our time and money have been used.2）We should use our time to do something useful.

3) With the money used up，they had to hunt for a new job.

   be used to do something被用來做某事be used to something/be used to doing sth習慣於某事/習慣於做某事used to do something過去常常做某事。