There are many adjectives ending in -ing and -ed.
For example, boring and bored. Study this example situation:
Jane has been doing the same job for a very long time.
Every day she does exactly the same thing again and again. She doesn’t enjoy it any more and would like to do something different.
Jane’s job is boring.
Jane is bored (with her job).
Somebody is bored if something (or somebody else ) is boring. Or, if something is boring, it makes you bored. So:
• Jane is bored because her job is boring.
• Jane’s job is boring, so Jane is bored, (not ‘Jane is boring’)
If a person is boring, this means that they make other people bored:
• George always talks about the same things. He’s really boring.
Compare adjectives ending in -ing and -ed:
You can say:
• My job is boring, interesting, tiring, satisfying, depressing, (etc.)
The -ing adjective tells you about the job.
Compare these examples:
• Julia thinks politics is very interesting.
• Did you meet anyone interesting at the party?
• It was quite surprising that he passed the examination.
• The film was disappointing. I expected it to be much better.
• The news was shocking
You can say:
• I’m bored with my job.
• I’m not interested in my job any more.
• I’m always tired when I finish work.
• I’m not satisfied with my job.
• My job makes me depressed, (etc.)
The -ed adjective tells you how somebody feels (about the job).
• Julia is very interested in politics, (not ‘interesting in politics’)
• Are you interested in buying a car? I’m
trying to sell mine.
• Everybody was surprised that he passed the examination.
• I was disappointed with the film. I expected it to be much better.
• We were very shocked when we heard the news.