Mastering -ed and -ing Adjectives: Expressing Feelings and Causes (B1 English) — B1 English vocabulary lesson by Langcom

Mastering -ed and -ing Adjectives: Expressing Feelings and Causes (B1 English)

ラウル・マグイニャ

Langcom 創設者 | ケンブリッジおよびSIELE試験の試験官

9月 15, 2026

B1📚 語彙⏱️ 読了時間:5分📅 Updated 9月 2026
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-ed adjectives describe how a person or animal *feels* (their emotion), while -ing adjectives describe the *cause* of that feeling or the characteristic of a thing or situation. For example, if a movie is boring, then you feel bored. The movie is the cause, and your feeling is the effect. This distinction is very important for clear communication in English. Using the correct ending helps you express whether you are experiencing an emotion or describing something that creates an emotion. Remember, people and animals feel -ed, and things or situations are -ing. Sometimes, a person can be -ing if they *cause* a feeling in others, like a boring teacher.

What are -ed Adjectives?

-ed adjectives describe a person’s or animal’s feelings or emotions. They tell us how someone *experiences* something.

Think of them as describing the *effect* of a situation on a living being. These adjectives often answer the question “How do you feel?”

  • I am bored. (This is how I feel.)
  • She was surprised by the news. (This is her emotion.)
  • The children were excited about the trip. (This describes their feeling.)

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What are -ing Adjectives?

-ing adjectives describe the characteristic of a thing, person, or situation that *causes* a feeling. They tell us what kind of effect something has on others.

These adjectives often answer the question "What is it like?" or "What is causing this feeling?"

  • The movie is boring. (The movie causes boredom.)
  • The news was surprising. (The news caused surprise.)
  • The trip was exciting. (The trip caused excitement.)

Sometimes, a person can be described with an -ing adjective if they *cause* a feeling in others. For example, a boring person makes others feel bored.

How to Choose Between -ed and -ing Adjectives

The key is to ask yourself: Am I describing a feeling someone *has* or am I describing something that *causes* a feeling?

  • 使用方法 -ed for the person/animal experiencing the emotion.
  • 使用方法 -ing for the thing/situation/person that creates the emotion.

A simple rule to remember is: I feel -ed because it is -ing.

  • I am interested because the book is interesting.
  • She is confused because the instructions are confusing.
  • We are tired because the work is tiring.

Common -ed and -ing Adjective Pairs

Here are some common pairs you will use often:

  • bored / boring
  • interested / interesting
  • excited / exciting
  • surprised / surprising
  • tired / tiring
  • annoyed / annoying
  • confused / confusing
  • frustrated / frustrating
  • disappointed / disappointing
  • amazed / amazing
Summary: -ed vs. -ing Adjectives
Adjective Type What it Describes
-ed How a person or animal *feels* (the effect) I am bored.
-ing What *causes* the feeling (the characteristic) The movie is boring.

  • The children were excited when they saw the exciting new toy.
  • I felt bored during the boring lecture.
  • She was surprised by the surprising news.
  • Learning English can be challenging, but I am challenged to improve.
  • The long journey was tiring, so we were very tired when we arrived.
  • He finds politics interesting, so he is always interested in the news.
  • My little brother can be very annoying; I get annoyed easily by him.

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Spanish speakers sometimes confuse these adjectives because Spanish uses different structures. For example, in Spanish, you might say "Estoy aburrido" (I am bored) and "Es aburrido" (It is boring), but the English distinction is crucial.

A common mistake is using the -ing form when you want to express a feeling:

  • WRONG: I am boring. (This means *you* cause boredom in others.)
  • CORRECT: I am bored. (This means *you* feel boredom.)

Another mistake is using the -ed form to describe the cause:

  • WRONG: The book was interested. (Books don't feel emotions.)
  • CORRECT: The book was interesting. (The book caused interest.)

Always remember: people feel -ed, 、および things are -ing (or people are -ing if they cause the feeling).

よくある質問

Can a person be an -ing adjective?

Yes, a person can be an -ing adjective if they *cause* a feeling in others. For example, a boring person makes other people feel bored. A charming person causes others to feel charmed.

Are there any exceptions to the -ed/-ing rule?

The rule is quite consistent for adjectives describing emotions. The main 'exception' is when a person is described with an -ing adjective because they *cause* the feeling, not because they *experience* it. For example, He is a very annoying person.

How can I practice using these adjectives correctly?

Try to describe your feelings and the things around you using these adjectives. For example, think: I am tired because my job is tiring. Or, I am interested in this interesting article. Pay attention to how native speakers use them in movies or books.

Is this grammar point tested in B1 exams?

Yes, understanding and correctly using -ed そして -ing adjectives is a common point tested in B1 level exams. You might see it in multiple-choice questions or need to use them accurately in writing tasks.

関連レッスン

著者について:ラウル・マグイニャ

ラウル・マグイニャ氏は、認定Cambridge English試験対策センターである「Asociación Educativa Langcom」の所長であり、 あなたの国. 。語学教育および国際資格認定の分野で10年以上の経験を持ち、25カ国にわたる数千人の学生、教師、教育機関が、ケンブリッジ英語検定、IELTS、TOEFL、およびMichiganの英語資格を取得できるよう支援してきました。.

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