Sometimes you become confused at which form of the adjective you should use, either the -ing or the -ed form. I hope these videos help you understand their differences.

Video 1

Video 2

On this page you can find a very complete list of adjectives which either end in -ed or in -ing

List of adjectives

And these are some pages where you can put them in practice.

Exercise 1 (write the correct form of the adjective)

Exercise 2 (decide which answer is better) 
Exercise 3 (what word do you need to complete the sentence?)

Exercise 4  (Adjectives ending in -ing and -ed)