Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Aug 1, 2009
http://www.engvid.com/ This is an introduction to the past progressive tense in English, which describes an action that was in progress at some point in the past. This tense is very useful if you want to recount events or tell stories about things that have happened to you. Don't forget to take the quiz at http:/www.engVid.com/