Past Perfect Continuous

This site clearly shows the basic form of the Past perfect Continuous tense and goes through the different uses, as well as showing how to use it to form positive and negative questions.

Screen shot: 
Level: 
Upper Intermediate
Overall Design: 
Good
Graphic Presentation: 
Good
Video Presentation: 
Good
Audio Presentation: 
N/A
Instructions: 
Good
Learning Objectives: 
Good
Assessment Method: 
Below Standard
Learning Styles: 
Standard
Interactivity: 
Good
Learn/Remember/Recall: 
Good
Final rating: 
73