Tutorial of Conditional Sentences

Here's a guide about Conditional Clauses. Enjoy it 

Source : http://www.englishpage.com/conditional/presentconditional.html

Exercise 1 : http://www.englishpage.com/conditional/conditional1.htm

Exercise 2 : http://www.englishpage.com/conditional/conditional2.htm

Exercise 3: http://www.englishpage.com/conditional/conditional3.htm