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Mastering Past Simple: The Verb 'Be' (A1 English Grammar) — A1 English grammar lesson by Langcom

Mastering Past Simple: The Verb ‘Be’ (A1 English Grammar)

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

7月 15, 2026

A1✏️ Grammar⏱️ 読了時間:4分
The Past Simple of ‘be’ (was/were) helps us talk about how things were, where people were, or what someone was like in the past. It’s one of the most important verbs in English for A1 learners. We use was for singular subjects like I, he, she, it, and singular nouns (e.g., the dog). We use were for plural subjects like you, we, they, and plural nouns (e.g., the students). This verb is special because it doesn’t need did to form questions or negatives; it changes its own form. For example, I was happy yesterday, They were at home, She wasn’t sad, Were you busy?.

What is the Past Simple of ‘Be’?

The verb be is very common in English. In the present, it has three forms: am, is, are. In the past, it only has two forms:

  • was
  • were

We use these forms to talk about things that happened or were true at a specific time in the past.

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When do we use ‘Was’?

We use was with singular subjects. This means when you are talking about one person or one thing.

  • Subjects: I, he, she, it
  • Examples:
    I was tired.
    He was a student.
    She was in London.
    It was cold yesterday.

When do we use ‘Were’?

We use were with plural subjects. This means when you are talking about two or more people or things.

  • Subjects: you, we, they
  • Examples:
    You were happy.
    We were friends.
    They were at the park.

Remember, you always takes were, even if you are talking to one person.

How to Form Negative Sentences with ‘Was’ and ‘Were’?

To make a negative sentence, just add not after was または were.

  • Full forms: was not, were not
  • Short forms (contractions): wasn’t, weren’t

Contractions are very common in spoken English and informal writing.

  • Examples:
    I wasn’t hungry.
    They weren’t at school.
    It wasn’t sunny.

How to Ask Questions with ‘Was’ and ‘Were’?

To ask a question, simply put was または were at the beginning of the sentence, before the subject.

  • Yes/No Questions:
    Was he busy? (Answer: Yes, he was. / No, he wasn’t.)
    Were you late? (Answer: Yes, I was. / No, I wasn’t.)
  • Wh- Questions (with question words like where, what, who):
    Where was she yesterday?
    What was the problem?
    Who were they?
Past Simple of 'Be' Forms
Subject Affirmative Negative Question
I I was I wasn’t Was I…?
You You were You weren’t Were you…?
He/She/It He/She/It was He/She/It wasn’t Was he/she/it…?
We We were We weren’t Were we…?
They They were They weren’t Were they…?

Examples

  • My sister was a baby in 2005.
  • We were very happy on our holiday.
  • The weather wasn’t good last weekend.
  • Were your parents at the party?
  • I was at home all day yesterday.
  • They weren’t ready for the exam.
  • Was the movie interesting?

Practice

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Common mistakes for Spanish speakers

Spanish speakers sometimes make mistakes with the Past Simple of ‘be’ because of differences between English and Spanish.

  • Using ‘did’ with ‘be’: In Spanish, you might use an auxiliary verb. But in English, ‘be’ is special. Do NOT use did with was または were.
    Incorrect: I didn’t was happy.
    Correct: I wasn’t happy.
    Incorrect: Did you were tired?
    Correct: Were you tired?
  • Confusing ‘ser’ and ‘estar’: In Spanish, you have two verbs for ‘be’ (ser そして estar). In English, be covers both. Don’t try to translate them separately.
    Example: He was a doctor. (Era un médico – ser)
    Example: He was in the hospital. (Estaba en el hospital – estar)

よくある質問

What are the two past forms of the verb ‘be’?

The two past forms of the verb ‘be’ are was そして were. We use them to talk about past states, locations, or descriptions.

When do I use ‘was’ and when do I use ‘were’?

You use was with singular subjects (I, he, she, it). You use were with plural subjects (you, we, they).

How do I make a negative sentence with ‘was’ or ‘were’?

To make a negative sentence, add not after was または were. For example, I was not (wasn’t) there または They were not (weren’t) ready.

Can I use ‘did’ with ‘was’ or ‘were’?

No, you cannot use did with was または were. The verb ‘be’ is special and forms its own negatives and questions without did.

Related lessons

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、 アメリカ. 。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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