>Many adjectives that are formed with past participles (e.g. interested) describe a feeling or state.
– I’m bored = I feel there is nothing that interests me at the moment.
Many Adjectives formed from present participles (e.g interesting) describe the person, thing or topic which produces the feeling.
– I’m boring = I’m a very uninteresting person.
Common -ed and -ing adjectives:
– shocked / shocking
– worried / worrying
– surprised / surprising
– embarrassed / embarrassing
– annoyed / annoying
– interested / interesting
– exited / exiting
– thrilled / thrilling
– amused / amusing
Not so difficult as some people think. Here you can do some practise:
3. http://www.bbc.co.uk/worldservice/learningenglish/radio/specials/934_gramchallenge3/ (It includes a listening activity)