All articles

Grammar

Mastering the Verb To Run Across English Tenses

September 11, 2026 5 min read

Learn how to conjugate and use the irregular verb 'to run' across present, past, and perfect tenses with clear rules and practical examples.

The verb to run is one of the most frequently used words in English, yet it often catches learners off guard. Because it is an irregular verb with identical base and past participle forms, mastering its tenses is essential for accurate speaking and writing. In this guide, we will break down how to use to run across major tenses so you can use it with total confidence.

The Fundamental Forms of To Run

Before exploring individual tenses, let us look at the primary principal parts of this irregular verb. Unlike regular verbs that simply add -ed, to run changes its vowel in the past simple and switches back in the participle form:

  • Base form (infinitive): run
  • Third-person singular present: runs
  • Past simple: ran
  • Past participle: run
  • Present participle / Gerund: running (note the double n)

Remembering the pattern run – ran – run will save you from common grammar traps, especially when constructing perfect tenses.

Using To Run in the Present Tenses

We use the present tenses to discuss habits, general truths, and actions happening right now.

Present Simple Use the present simple for routines, schedules, or facts. Remember to add an -s for third-person singular subjects (he, she, it).

  • I run five kilometers every Saturday morning.
  • She runs a successful digital marketing agency downtown.
  • The commuter train runs every twenty minutes during rush hour.

Notice that to run does not only mean moving quickly on foot; it also means to manage, operate, or operate on a schedule.

Present Continuous When an action is taking place at this very moment or over an ongoing period, combine the auxiliary verb to be with the present participle running.

  • Look at Marcus; he is running to catch the bus!
  • We are running behind schedule today, so let us hurry.
  • My laptop fan is running very loudly right now.

Using To Run in the Past Tenses

When you talk about events that finished in the past, you must switch between the past simple and past continuous depending on duration and focus.

Past Simple For completed actions at a definite time in the past, use ran.

  • Yesterday, Maya ran her very first half-marathon.
  • They ran out of milk, so they stopped at the grocery store.
  • He ran the company for ten years before retiring in 2022.

Past Continuous To describe an action that was ongoing in the past when another event interrupted it, pair was or were with running.

  • I was running along the river trail when it suddenly started pouring rain.
  • The children were running through the sprinkler all afternoon yesterday.
  • She was stressed because her computer was running updates during her presentation.

Perfect Tenses: Avoiding the "Ran" Trap

This is where many English learners make mistakes. The present perfect and past perfect tenses require the past participle, which is run, not ran.

Present Perfect Use have run or has run to describe experiences, actions completed recently, or situations connecting the past to the present.

  • He has run three marathons so far this year. (Correct)
  • We have run into an unexpected problem with the budget. (Correct)
  • I have run this software on older computers without any issues. (Correct)

Past Perfect Use had run to indicate an action that happened before another point in the past.

  • By the time the rescue team arrived, the hikers had run out of drinking water.
  • She had run the numbers twice before she sent the final invoice to the client.

Future Forms with To Run

When projecting forward, you can express future actions using either will or be going to followed by the base form run.

  • I will run the weekly team meeting tomorrow morning.
  • They are going to run a special promotional discount next week.
  • By this time tomorrow, she will be running the final leg of the relay race.

Common Mistakes with To Run

Keep an eye out for these frequent errors so you can polish your English:

  • Using "ran" after "have" or "had":
  • Incorrect: I have ran five miles today.
  • Correct: I have run five miles today.
  • Forgetting to double the "n" in running:
  • Incorrect: He is runing late for his appointment.
  • Correct: He is running late for his appointment.
  • Missing third-person "s" in present simple:
  • Incorrect: My brother run every afternoon.
  • Correct: My brother runs every afternoon.
  • Confusing physical movement with idiomatic meaning: Remember that phrases like run out of (deplete a supply) or run late (be delayed) follow the exact same tense conjugation rules as the physical action.

Practice It Today

Test your understanding of the verb to run with these three short exercises. Choose or write the correct form, then check your answers below.

  1. Sentence Completion: Last night, Sarah ________ (run / ran / has run) three miles before dinner.
  2. Error Correction: Fix the error in this sentence: "We have ran this program three times already."
  3. Tense Transformation: Change this sentence into the present continuous: "He runs in the park."

Answer Key 1. ran (A finished time in the past requires the past simple form). 2. "We have run this program three times already." (The auxiliary have must be followed by the past participle run). 3. "He is running in the park." (Remember to double the 'n' in running).

verb to runirregular verbs englishenglish tenses guiderun ran runpast participle runenglish grammar tipslearn english verbs

Keep practising

Try today's quiz or get instant feedback from the AI Coach.