English Grammar Lab

← A2

Past simple: regular and irregular verbs

You will be able to Describe completed actions in the past.

Explanation

Regular verbs normally end in -ed. Irregular verbs have special past forms that must be learned.

Examples

Detailed course

Understand the grammar point

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Detailed explanation

This lesson focuses on past simple: regular and irregular verbs. The structure helps learners describe events and plans, and it should always be interpreted as part of a complete message rather than as an isolated formula. Before selecting a form, identify the subject, time reference, clause relationship, and the information that receives emphasis.

Formation is central. Regular verbs usually add -ed, with spelling changes when necessary. Irregular verbs use special past forms, and the same past form is used for all subjects. Build the sentence in stages: identify the grammatical subject, choose the auxiliary or main verb form, and complete the clause in normal English word order. In negatives and questions, check whether the structure supplies its own auxiliary or requires another one.

The pattern can help users compare situations, ask for practical information, and connect form with time and quantity. These purposes may overlap, so context decides which interpretation is natural. Time expressions, determiners, linking words, and punctuation often provide evidence for the correct choice.

A useful contrast prevents overgeneralisation. Use the past simple with a finished past time, while the present perfect connects past experience with the present. Ask how the nearest alternative would change time, certainty, focus, politeness, or register. A grammatically possible sentence may still communicate the wrong relationship if that contrast is ignored.

The guided examples are complete messages. Notice how the target structure agrees with its subject and how the surrounding vocabulary makes the intended meaning clear. When producing a new example, preserve the relationship between form and meaning while changing the people, place, and lexical details.

A reliable self-check is to paraphrase the sentence in simpler language. If the paraphrase changes the time relationship, degree of certainty, or focus, review the original form. Compare the sentence with the common mistakes and explain why the corrected version is preferable.

How to form it

Regular verbs usually add -ed, with spelling changes when necessary. Irregular verbs use special past forms, and the same past form is used for all subjects.

Use the structure to describe events and plans.

Use the structure to compare situations.

Use the structure to ask for practical information.

Use the structure to connect form with time and quantity.

Use the past simple with a finished past time, while the present perfect connects past experience with the present.

Guided examples

Our class visited the history museum last Friday.

Visit is regular, so it simply adds -ed: visited.

The guide explained the oldest objects carefully.

Explain is regular, adding -ed: explained.

We saw an ancient map near the entrance.

See has an irregular past form, saw, not an -ed form.

My friend took several notes during the tour.

Take has an irregular past form, took, which must be learned separately.

The group stopped for lunch beside the river.

Stop doubles its final consonant before adding -ed: stopped.

We returned to school before five o’clock.

Return is regular, so it simply adds -ed: returned.

Common mistakes

Not: Our class visit the history museum last Friday.

Use: Our class visited the history museum last Friday.

Last Friday signals the past, so the regular verb needs -ed: visited.

Not: The guide explains the oldest objects carefully.

Use: The guide explained the oldest objects carefully.

This describes a past event, so the verb must be in the past form: explained, not explains.

Not: We seed an ancient map near the entrance.

Use: We saw an ancient map near the entrance.

See has an irregular past form, saw; it does not take -ed.

Not: My friend taked several notes during the tour.

Use: My friend took several notes during the tour.

Take has an irregular past form, took; taked does not exist.

Before you practise

  • Identify the communicative purpose.
  • Check the subject and required verb or auxiliary.
  • Confirm the time reference and clause order.
  • Compare the sentence with the nearest alternative.
  • Read the complete sentence and verify the meaning.

Reading text

A Museum Visit in March

About 186 words

Mr Bell and his history class met at the city museum because they needed to visit a map exhibition. The class had only one morning to collect notes. The class arrived before the doors opened. At first, the group looked at postcards, notebooks, and an old city map and made a quick list. The guide showed them an old city map. One person checked the door while another checked the table. Several students bought postcards in the shop. The plan changed a little, but nobody lost time. Everyone wrote notes on the bus home. They wrote the important details in a notebook. Before leaving the city museum, they checked the list again. The result was clear: the work is finished. Mr Bell and his history class look at postcards, notebooks, and an old city map again before they move on. One helper writes the next step on a small card. The group speaks quietly, and the plan becomes clear. No one hurries, because the small details matter. The place feels calmer when the task is almost finished. At the end, everyone knows what to do next.

Reading comprehension

  1. Who is involved in the reading?

    Show answer

    Mr Bell and his history class

  2. Where does the reading take place?

    Show answer

    the city museum

  3. What task are the people trying to complete?

    Show answer

    visit a map exhibition

  4. What problem makes the task less simple?

    Show answer

    the class had only one morning to collect notes

Grammar in the text

  1. The class arrived before the doors opened.

    Arrived and opened are both regular past forms ending in -ed.

  2. The guide showed them an old city map.

    Show has an irregular past form, showed, used here for a completed past action.

  3. Several students bought postcards in the shop.

    Buy has an irregular past form, bought, not buyed.

  4. Everyone wrote notes on the bus home.

    Write has an irregular past form, wrote, not writed.

Key point

Use this pattern when the meaning needs it in the reading: regular -ed verbs or irregular past forms. In short, the past simple reports completed past actions. Example: "The class arrived before the doors opened."

Practice

  1. Complete the sentence from the same situation: "The class ____ before the doors opened."

    Show answer

    The class arrived before the doors opened.

  2. Complete the sentence from the same situation: "The guide ____ them an old city map."

    Show answer

    The guide showed them an old city map.

  3. Complete the sentence from the same situation: "Several students ____ postcards in the shop."

    Show answer

    Several students bought postcards in the shop.

  4. Complete the sentence from the same situation: "Everyone wrote ____ on the bus home."

    Show answer

    Everyone wrote notes on the bus home.

Listening practice

Watch a TEDx talk

“The power of introverts” — Susan Cain (TED). Listen for clear, natural English and pick up new vocabulary while you review this grammar point.

Check your understanding

What does Susan Cain say Western culture, especially in the United States, tends to favor?

Check your understanding

Which of these is one of Susan Cain's three calls to action at the end of her talk?

Practice

Choose the correct answer. They ___ football yesterday.

Practice

Choose the correct answer. I ___ a new book last week.

Practice

Choose the correct answer. He ___ to work at eight.

Written practice

Produce the answer yourself. Capitalisation and final punctuation do not affect validation, but the grammar and word order must be correct.

Sentence correction

Written practice

Correct the sentence.

She buyed a new bag.