ED GROUP

  * Introduction:

              Married to an American, She speaks well.

              (She speaks well because she has an American husband.)

  * Adjective:

              I teach a woman married to an American.

  * Subject-like:

              Attached is a file of my CV.

  * Have thing ED- group:

              I have a file of my CV attached. 

  * Be +ED group: (passive voice)

              My CV will be attached.

  * Have + ED group: (present perfect)  

              They have attached my file.