Past Perfect vs Present Perfect exercises

May 9th ,2012

Hi:

I post here three pages to review and study PAST PERFECT and PRESENT PERFECT.

http://www.egeacademy.com/blog/exercises/present-perfect-tense-with-just-already-yet/

http://www.perfect-english-grammar.com/past-perfect-exercise-1.html

http://perso.wanadoo.es/autoenglish/gr.presper.i.htm


So long...