Third conditional online exercises

And here are a few third conditional exercises!
http://web2.uvcs.uvic.ca/elc/StudyZone/410/grammar/3cond1.htm
The following exercise can't be done online but you can check the answers are online. 
To print the exercise, right click anywhere in the exercises area.
Print page one for the exercise.  
Go back to the website after you've done the exercise for the answers.
http://www.fiestaesl.com/cond3.html