Learn A1 English: How to Form 'Be' Negative Sentences and Questions — A1 English grammar lesson by Langcom

Learn A1 English: How to Form ‘Be’ Negative Sentences and Questions

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:4分
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To make sentences with the verb be negative, we add not その後 is または are. For example, He is not from Spain または They are not happy. We often use contractions like isn’t そして aren’t. To ask a ‘yes/no’ question, we change the word order: Is または Are comes before the subject. For instance, Is she a student? または Are they friends? For ‘Wh-‘ questions, the ‘Wh-‘ word comes first, then is または are, then the subject, as in Where is he from? そして Who are they? Short answers use the verb be without contractions for positive answers, like Yes, he is, but use contractions for negative ones, like No, she isn’t.

How do we make ‘be’ negative for ‘he’, ‘she’, and ‘they’?

To make a sentence negative with the verb be, we simply add the word not その後 is または are.

  • ~について he そして she, we use is not.
  • ~について they, we use are not.

We often use shorter forms called contractions in everyday English. These are:

  • is not ~になる isn’t
  • are not ~になる aren’t

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How do we ask 'yes/no' questions with 'be'?

To ask a question that can be answered with 'yes' or 'no', we change the word order of the sentence. We put Is または Are at the beginning.

  • The structure is: Is/Are + subject (he/she/they) + rest of the sentence?

When someone asks a 'yes/no' question with be, you can give a short answer.

  • For positive answers, use Yes, + subject + is/are. Do not use contractions here.
  • For negative answers, use No, + subject + isn't/aren't. We usually use contractions here.

How do we ask 'Wh-' questions with 'be'?

'Wh-' questions ask for specific information, not just 'yes' or 'no'. Common 'Wh-' words include who, what, where, 、および when.

  • The structure is: Wh- word + is/are + subject (he/she/they) + rest of the sentence?
Summary of 'Be' Forms for He, She, They
Subject Positive Negative Yes/No Question Wh- Question Example
He He is happy. He isn't happy. Is he happy? Where is he?
She She is a student. She isn't a student. Is she a student? Who is she?
They They are friends. They aren't friends. Are they friends? What are they?

  • He isn't from Italy.
  • She is not a doctor.
  • They aren't sad.
  • Is he happy? Yes, he is.
  • Is she a teacher? No, she isn't.
  • Are they students? Yes, they are.
  • Where is he?
  • Who is she?
  • What are they?

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When learning English, Spanish speakers sometimes make specific mistakes with be negative and questions:

  • Missing Subject Pronoun: In Spanish, you often don't need a subject pronoun. In English, you always need one.
    • 誤り: Is happy?
    • 正しい: Is he happy?
  • Incorrect Word Order for Questions: In English, the verb be moves to the beginning for questions.
    • 誤り: He is happy?
    • 正しい: Is he happy?
  • Using Contractions in Positive Short Answers: We do not use contractions for positive short answers.
    • 誤り: Yes, he's.
    • 正しい: Yes, he is.
  • 'Not' in the Wrong Place: その言葉 not 常にその後に続く is または are.
    • 誤り: Not he is happy.
    • 正しい: He is not happy. または He isn't happy.

よくある質問

What does the verb 'be' mean?

The verb be means "ser" or "estar" in Spanish. It helps us talk about who someone is, what something is, where someone is, or how someone feels.

Why do we use contractions like 'isn't' and 'aren't'?

Contractions are very common in spoken English and in informal writing. They make sentences sound more natural and help you speak more quickly.

Can I always say 'is not' or 'are not' instead of 'isn't' or 'aren't'?

Yes, you can. The full forms is not そして are not are always correct. They are often used in more formal writing or when you want to emphasize the 'not'.

Do these rules apply to 'I' and 'you' too?

Yes, the basic idea is similar. For I, you use am not (I'm not) and for questions, Am I...? ~について you, you use are not (you aren't) and for questions, Are you...?

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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