English Nouns A1: Proper Nouns vs. Common Nouns (Capital Letters!) — A1 English grammar lesson by Langcom

English Nouns A1: Proper Nouns vs. Common Nouns (Capital Letters!)

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 6, 2026

A1✏️ 文法⏱️ 読了時間:3分
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Proper nouns are specific names for people, places, or things, and they always start with a capital letter. Common nouns are general names for people, places, or things, and they usually start with a lowercase letter. Understanding this difference is important for correct English writing. For example, “teacher” is a common noun, but “Mr. Smith” is a proper noun. Similarly, “city” is a common noun, but “London” is a proper noun. Always remember to use a capital letter for proper nouns to make your English clear and correct.

What Are Nouns in English?

Nouns are words that name people, places, things, or ideas. They are a very important part of every sentence.

In English, we divide nouns into two main types: proper nouns そして common nouns.

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What is a Proper Noun?

A proper noun is a specific name for one person, one place, or one thing. It is unique.

  • Always use a capital letter to start a proper noun.

  • Examples of proper nouns include:

    • People's names: Maria, John, Dr. Lee
    • Specific places: Spain, Paris, Mount Everest
    • Days of the week: Monday, Friday
    • Months of the year: January, August
    • Holidays: Christmas, Easter
    • Names of companies or brands: Langcom, Google

What is a Common Noun?

A common noun is a general name for a person, place, or thing. It is not specific.

  • Usually use a lowercase letter to start a common noun.

  • Examples of common nouns include:

    • General people: girl, boy, teacher, doctor
    • General places: city, country, school, park
    • General things: book, table, car, phone
    • Animals: cat, dog, bird

Why is Capitalization Important for Nouns?

Using capital letters for proper nouns helps people understand your writing. It shows that you are talking about something specific.

It also makes your English look correct and professional. Always remember this rule!

Examples of Proper Nouns and Common Nouns
Proper Noun (Specific Name) Common Noun (General Name)
Maria girl
Spain country
Monday day
January month
Langcom academy

  • My name is Sofia.
  • I have a dog.
  • We live in Madrid, a big city.
  • I go to school every day.
  • Today is Tuesday.
  • My birthday is in July.

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Spanish speakers sometimes make mistakes with capitalization in English. Remember these key differences:

  • Days of the week and months: In Spanish, these are not capitalized. In English, they are proper nouns そして always start with a capital letter.

    • 誤り: My favorite month is july.

    • 正しい: My favorite month is July.

  • Nationalities and languages: In Spanish, these are not capitalized. In English, they are proper nouns そして always start with a capital letter.

    • 誤り: I speak spanish and english.

    • 正しい: I speak Spanish and English.

よくある質問

What is the main difference between a proper noun and a common noun?

The main difference is specificity. A proper noun is a specific name (like “London”), and a common noun is a general name (like “city”). Proper nouns always use a capital letter.

Do I always capitalize proper nouns?

Yes, you must always capitalize proper nouns in English, no matter where they appear in a sentence. This includes names of people, places, days, months, and specific organizations.

What about the first word of a sentence?

Always capitalize the first word of any sentence, even if it is a common noun. 例えば、, “Dogs are friendly animals.” ここで、, “Dogs” starts with a capital letter because it is the first word of the sentence, even though “dog” is a common noun.

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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