boring or bored? Instantly tell -ed and -ing adjectives apart, and stop saying I'm boring
You want to say "I'm so bored," so you blurt out I'm boring. As a result, your foreign friend freezes for a moment, and might even chuckle—because this sentence actually means "I am a very uninteresting person." While you clearly wanted to express how you were feeling, you accidentally ended up criticizing your own personality.
Don't worry, this is one of the most common and easily fixed mistakes among learners. Today, we'll solve this once and for all with a simple rule, so you'll instantly know whether to use boring or bored in the future.
First, let's look at a comparison
For the same verb, adding -ing and adding -ed will create two adjectives with contrasting meanings:
- The movie is boring. (This movie is boring.) — The movie "itself" makes people feel bored.
- I'm bored. (I feel bored.) — "I" am made to feel bored by it.
Do you see the difference? Both sentences talk about "boredom," but one describes the nature of the movie, while the other describes my feelings. If you choose the wrong word, the meaning of the entire sentence shifts.
The Core Rule: Which is the source, and which is the feeling?
This is the key to making the distinction. Remember these two concepts:
- -ing adjectives → Describe "the thing causing the feeling." It is the source that makes others feel a certain emotion.
- -ed adjectives → Describe "the emotion a person feels." They are the receiver, whose mood is affected by something.
In other words:
- Things (movies, jobs, books, classes) → usually go with -ing
- People (I, you, he) → usually go with -ed
Let's look at some more examples:
- This book is interesting. (This book is interesting.) / I'm interested in this book. (I am interested in this book.)
- The trip was tiring. (That trip was tiring.) / We were tired after the trip. (We were tired after the trip.)
- The news is surprising. (The news is surprising.) / She was surprised by the news. (She was surprised by the news.)
Quick Tip: Add a mental translation
If you can't figure it out right away, use this test method: translate the sentence into Chinese in your mind and see which one you want to express—
- Want to say "boring / interesting / tiring" (describing what that thing is like) → use -ing
- Want to say "I feel bored / I feel interested / I feel tired" (describing your own feelings) → use -ed
As long as the sentence contains feelings like "I feel..." or "He feels...", it is almost always -ed.
Let's test this again with the most common mistake:
- You want to say "I'm so bored" = I "feel" bored = feeling → I'm bored. ✓
I'm boring.✗ (This means "I am an uninteresting person," which is likely very far from what you mean)
Another Trick: Ask "Is it a thing or a person?"
There is an even faster way to decide: look at whether the subject before the be-verb is a person or a thing.
- Subject is a person → mostly -ed: He is excited. (He is excited.) ✓
- Subject is a thing → mostly -ing: The game is exciting. (This game is exciting.) ✓
So the following two sentences are exact opposites, yet both are correct:
- The students are bored. (The students feel bored.) ✓ — Person, affected
- The lesson is boring. (This lesson is boring.) ✓ — Thing, the source
Be careful of one situation here: when you say "a certain person is boring/interesting," a person can also go with -ing. This is because you are treating this person as the "source that causes a certain feeling in others":
- He is so boring; nobody wants to talk to him. (He is so boring; nobody wants to talk to him.) ✓
Therefore, the most reliable judgment always goes back to the core: Is this word talking about the "source" or the "feeling"? "Thing vs. Person" is just a quick shortcut.
Memorizing These Pairs Gives You the Best Value
These adjectives come in pairs, so learning one means learning two. The following pairs are the most commonly used at the A1–B1 levels, so it is highly recommended to memorize them directly:
- bored / boring
- interested / interesting
- tired / tiring
- excited / exciting
- surprised / surprising
- confused / confusing
The same rule applies to every pair: people go with -ed, things go with -ing; use -ed for feelings, and -ing for the source.
Finally, here is a complete example sentence to show you how to apply the rule in practice:
The grammar lesson was confusing, so I was confused at first. (The grammar lesson was confusing, so I was confused at first.) — The lesson (source) uses confusing, while "I" (feeling) uses confused. Just like that, you've used both correctly in a single sentence.
How to Practice in Loopy
Knowing the rule is only the first step; to actually use it correctly, you need to encounter it repeatedly in a large number of real sentences. Loopy places -ed / -ing adjectives into graded courses tailored to your level, allowing you to naturally see how I'm bored and The movie is boring divide their labor in conversational contexts, gradually internalizing it into your language intuition.
- The Listening, Speaking, and Shadowing mode lets you practice saying I'm so excited! and This is interesting! out loud, training the correct usage into a reflex so that it comes out right the next time you speak.
- When you encounter unsure words like confusing or surprising, you can easily look up example sentences using the built-in dictionary to immediately see whether they are describing things or people in a sentence.
- Words you have learned will enter memory curve reviews, appearing again just as you are about to forget them. After a few rounds, you will never get bored and boring mixed up again.
From today on, if you want to say "I'm so bored," go ahead and confidently say I'm bored. Leave your progress to practicing a little bit every day.