Learn 'Be' Verb: Positive & Negative Forms (A1 English Grammar) — A1 English grammar lesson by Langcom

Learn ‘Be’ Verb: Positive & Negative Forms (A1 English Grammar)

Raúl Maguiña

Gründer von Langcom | Prüfer für Cambridge- und SIELE-Prüfungen

Juli 16, 2026

A1✏️ Grammar⏱️ 4 Minuten Lesezeit
The verb be is one of the most important verbs in English. It helps us talk about who we are, where we are, and what things are like. In English, be means both ‘ser’ and ‘estar’ from Spanish. It changes its form depending on the subject: am for I, is for he/she/it, and are for you/we/they. To make it negative, we simply add not after the verb. For example, I am not happy. We often use shorter forms, called contractions, especially when speaking. For instance, I’m instead of I am, and isn’t instead of is not. Understanding these basic forms is key to building simple English sentences.

What is the verb “be” in English?

The verb be is fundamental in English. It is like ‘ser’ and ‘estar’ in Spanish, meaning it covers both concepts.

We use be to talk about many things:

  • Identity: Who someone is or what something is.
  • Standort: Where someone or something is.
  • Description: What someone or something is like (their qualities or feelings).

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How do we use “be” in positive sentences?

The verb be changes its form depending on the subject (the person or thing doing the action).

  • For I, we use am.
  • For he, she, it (singular subjects), we use is.
  • For you, we, they (plural subjects), we use are.

We often use contractions (shorter forms) in spoken English and informal writing. For example, I am becomes I’m.

How do we make “be” negative?

To make a sentence with the verb be negative, we simply add the word not after am, is, oder are.

  • I am not
  • He is not
  • They are not

We also have negative contractions. For example, is not becomes isn’t. For I am not, the contraction is usually I’m not.

When do we use contractions with “be”?

Contractions are very common in everyday English. You will hear them all the time when people speak.

  • Speaking: Always use contractions when you speak. It sounds more natural.
  • Informal Writing: Use contractions in emails to friends, text messages, or informal notes.
  • Formal Writing: In formal writing, like academic essays or official reports, it is better to use the full forms (I am, she is not).
Verb 'Be' Forms: Positive and Negative
Subject Positive Form Negative Form Positive Contraction Negative Contraction
I am am not I’m I’m not
You are are not You’re You aren’t
He is is not He’s He isn’t
She is is not She’s She isn’t
It is is not It’s It isn’t
We are are not We’re We aren’t
They are are not They’re They aren’t

Examples

  • I am a student.
  • She is from Spain.
  • They are happy.
  • It is cold today.
  • I’m not tired.
  • He isn’t here.
  • We aren’t doctors.
  • You’re a good friend.
  • They’re not at home.
  • It’s not a big problem.

Practice

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Common mistakes for Spanish speakers

Spanish speakers sometimes forget to use the verb be. In Spanish, you might say ‘Yo feliz’ but in English, you must say I am happy. Always remember to include am, is, oder are.

Another common mistake is confusing ser und estar. In English, be covers both. For example, I am a student (ser) and I am in the classroom (estar) both use am.

Also, make sure the verb matches the subject. It is She is, not She are. Always check the subject to choose the correct form of be.

Häufig gestellte Fragen

What does the verb “be” mean in English?

The verb be in English means both ‘ser’ and ‘estar’ from Spanish. It is used to talk about identity, location, and descriptions.

Why are there three forms: am, is, and are?

The verb be changes its form to agree with the subject of the sentence. Am is for I, is is for singular subjects (he, she, it), and are is for plural subjects (you, we, they).

Can I always use contractions with the verb “be”?

You can almost always use contractions (I’m, isn’t, aren’t) in spoken English and informal writing. For formal writing, it is better to use the full forms (I am, is not, are not).

Is ‘be’ an irregular verb?

Yes, be is an irregular verb. Its present tense forms (am, is, are) do not follow a regular pattern, unlike most other verbs.

Über den Autor: Raúl Maguiña

Raúl Maguiña ist Leiter der Asociación Educativa Langcom, einem autorisierten Cambridge English-Vorbereitungszentrum in USA. Mit mehr als einem Jahrzehnt Erfahrung in der Sprachausbildung und der internationalen Zertifizierung hat er Tausenden von Schülern, Lehrern und Bildungseinrichtungen in 25 Ländern zu Cambridge-, IELTS-, TOEFL- und Michigan-Englischzertifikaten verholfen.

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