'Bored' and 'boring' can be used as adjectives, but they describe things in different ways. I shall begin by giving two examples:
In both of those examples, I had certain temporary feelings - I was bored and I was frightened. What were the causes of those feelings? Well, the TV programme was boring and the film was frightening. These '-ing' adjectives describe the qualities of something, whereas the '-ed' adjectives describe a temporary state or feeling, which is caused by something.If I stop watching the film, I won't be frightened any longer, but the film is still a frightening film.We can see this difference between a temporary feeling and a permanent quality if we look at the words you asked about – boring and bored.Here are two examples:
In the first example, I don't like David because he is boring, and this is a permanent characteristic or quality of his. In my opinion, he was boring yesterday, he is boring today, and he will be boring tomorrow. However, in the second example, I have a temporary feeling - I am bored - and if we do something fun I will not have that feeling anymore.So, I hope my answer has been useful and interesting, and that you are no longer confused by this grammar point. As a teacher, I never get bored talking about grammar, although I sometimes think that my students find it a little boring. What about you? Are you fascinated by grammar?
About Gareth Rees – Gareth Rees has a BA (hons) in History and Philosophy of Science, CTEFLA, and DELTA. He has taught EFL, EAP and Business English in China, Spain and England, and he is the co-author of the Language Leader Elementary and Pre-Intermediate English language course books (Pearson Longman). He currently teaches English in the Language Centre at the University of the Arts, London.