Episode 8 of English Weirdness, entitled, TOSHI-SAN VS. THE REAL (AND UNREAL) DEAL” is now showing on Youtube. This episode investigates the confusing aspects of conditionals usage in English grammar. Included in the explanation is a chart displaying the 4 basic conditional grammar forms. Below, you can download your own free copy of this reference chart, in .jpg form.
Hope this helps you improve your conditional usage and English!