To practise your conditionals you can go to:
http://englishi2.blogspot.com/search/label/conditionals
Here you will find exercises:
First Conditional:
Exercise 1
Exercise 2
Second Conditional:
Exercise 1
Exercise 2
Exercise 3
First and second conditional:
Exercise 1
Third Conditional:
Exercise 1
First, second and third:
Exercise 1
Here you will find some videos to practise:
You can also sing Tears in Heaven:
And If I Were a Boy:
