Definition
“Has run” vs “has ran” confuses many learners because only one form is grammatically correct. “Has run” uses the past participle with the helper verb “has,” forming the present perfect tense. “Has ran” is incorrect because “ran” is simple past. Quick takeaway: always use has run, never has ran.
Examples: She has run three miles. He has run the business for years.
• “Has” is a helper verb
• “Run” is the past participle
• “Has ran” is not standard English
The Confusion Between “Has Run” and “Has Ran”
Many beginners mix these forms because English verbs change shape across tenses. Learners hear “ran” in speech and assume it works everywhere. That’s why people ask “has run or has ran.”
Examples: ❌ She has ran already. ✅ She has run already.
• Base verb: run
• Simple past: ran
• Past participle: run
• Only the past participle follows “has”
Understanding the Verb “Run” — Forms and Tenses
The verb “run” belongs to an irregular verb family, which means its forms don’t follow simple -ed rules. Knowing the full verb run forms makes everything clearer.
Examples: I run daily. I ran yesterday. I have run before.
• Present: run
• Past: ran
• Past participle: run
• Present perfect = has/have + run
| Form | Tense | Example |
| run | Present | I run every morning |
| ran | Simple past | I ran yesterday |
| run | Past participle | I have run before |
Quick Explanation
Here’s the one-minute rule: whenever you see “has,” it must be followed by the past participle. For “run,” that participle is “run,” not “ran.” That’s the core of has run grammar.
Example: She has run late again.
• “Has” needs a helper partner
• That partner is always “run”
• Never place “ran” after “has”
“Has Run” — The Correct Form
“Has run” is grammatically right because it forms the present perfect tense, which connects past actions to the present. It uses “has” + past participle (“run”). This structure shows experience, results, or actions that still matter now.
Examples: He has run this company since 2020. The engine has run smoothly all day.
• Uses present perfect tense
• Requires past participle
• Accepted in formal and informal English
• Preferred in writing and exams
Examples of “Has Run” in Context
Here are beginner-friendly has run examples from daily life.
Examples:
• Sports: She has run five kilometers today.
• Business: He has run the shop for ten years.
• Daily actions: The washing machine has run twice.
• Technology: The program has run successfully.
Tone and Register
“Has run” works in both formal writing and casual speech, making it a safe choice everywhere. This is standard has run usage.
Examples:
• Formal: The project has run ahead of schedule.
• Informal: My phone has run out of battery.
• Academic: The study has run for six months.
“Has Ran” — Why It’s Incorrect
“Has ran” is wrong because “ran” is the simple past form, not the past participle. Present perfect tense always needs the past participle. Grammar rules do not allow “ran” after “has.”
Examples: ❌ She has ran away. ✅ She has run away.
• “Ran” = simple past only
• Cannot follow “has”
• Considered a grammar error in standard English
Why People Say “Has Ran”
People often say it out of habit or fast speech, especially ESL learners or in casual conversation. These are common grammar mistakes.
• Speech patterns influence writing
• Learners copy what they hear
• Irregular verbs cause confusion
Has Run vs Ran — Direct Comparison
This section shows present perfect vs simple past clearly, helping you see the timeline difference.
| Form | Tense | Correct | Example |
| has run | Present perfect | ✅ | She has run five miles |
| ran | Simple past | ✅ | She ran yesterday |
| has ran | — | ❌ | She has ran |
Example Sentences
Side-by-side run tense examples make it easier.
• She ran yesterday (finished past time).
• She has run today (result matters now).
• I ran last night.
• I have run this route before.
Frequency and Common Usage (Data Insight)
In standard English, “has run” appears far more often than “has ran,” especially in writing, education, and professional settings. Spoken English may include mistakes, but edited text strongly favors has run common usage.
• Writing prefers “has run”
• Schools teach “has run”
• Media avoids “has ran”
Common Mistakes and How to Avoid Them
Avoiding has run mistakes starts with checking tense and helper verbs.
Examples: ❌ He has ran fast. ✅ He has run fast.
• Always look for “has/have”
• Confirm the past participle
• Read sentences aloud
1. Mixing up tenses
• Mistake: She has ran home.
• Fix: She has run home.
2. Forgetting the helper verb
• Mistake: She run already.
• Fix: She has run already.
3. Overcorrecting
• Mistake: She run yesterday.
• Fix: She ran yesterday.
Memory Tricks to Remember the Difference
These tricks help you remember has run easily.
Examples included for clarity.
• Has = Helper: if you see “has,” attach “run.”
• Mnemonic: “Has + done = has run.”
• Visual trick: imagine “has” holding hands with “run.”
• Timeline test: if it connects to now, use has run.
1. The “Has = Helper” Rule
Example: He has run late.
2. Mnemonics
Say: “Has always runs with run.”
3. Visual Trick
Picture “has” pushing “run” forward on a timeline.
4. The “Timeline Test”
Ask: does it matter now? If yes, choose “has run.”
Practice Sentences: Test Yourself
Choose the correct form for has run practice.
• She ___ five laps.
• He ___ yesterday.
• The engine ___ all morning.
Answers: has run, ran, has run.
Case Study: How Misuse Affects Clarity
In a workplace email, “The system has ran overnight” caused confusion about whether testing was finished correctly. Changing it to “has run” clarified completion and professionalism. This shows how has ran confusion can affect real communication.
• Errors reduce credibility
• Correct tense improves clarity
• Small grammar choices matter
Linguistic Insight & Expert Opinion
Grammar teachers agree that “has run” follows standard rules used by native speakers in writing and education. While casual speech may slip, grammar expert opinion supports “has run” as the correct form.
Example: The experiment has run successfully.
• Backed by grammar books
• Used in academic English
• Taught worldwide
Self Assessment Section
Try these quick has run practice checks.
• She has ___ three miles.
• He ___ yesterday.
• The program has ___ already.
• Fix: She has ran late.
• Choose: has run / ran
Answer Key
• run
• ran
• run
• She has run late.
• has run
Final Conclusion
Has run vs has ran is simpler than it looks. “Has run” is always correct because it uses the past participle with the helper verb “has,” forming the present perfect tense. “Has ran” is wrong since “ran” is only simple past. Remember this rule, practice with examples, and your confidence will grow. Once you understand the structure, you’ll naturally choose “has run” in both speaking and writing. Mastering this small detail improves clarity, accuracy, and overall English fluency.
FAQs
What is correct: has run or has ran?
Has run is correct. It uses “has” with the past participle “run” to form the present perfect tense. “Has ran” is incorrect because “ran” is only the simple past form and cannot follow “has.”
Why is “has ran” wrong?
“Has ran” is wrong because grammar requires a past participle after “has.” For the verb “run,” the past participle is “run,” not “ran.” That’s why standard English rejects “has ran.”
Can I use “ran” without “has”?
Yes. “Ran” works alone in the simple past tense. Example: She ran yesterday. Just don’t pair “ran” with “has” or “have.”
What tense is “has run”?
“Has run” is present perfect tense. It shows a past action with a connection to the present, such as results, experience, or ongoing relevance.
Is “has run” common in spoken English?
Yes. Native speakers regularly use “has run,” especially when talking about completed actions that still matter now, like results or experience.
What is the past tense of run?
The simple past tense of run is ran. Example: I ran home. The past participle remains run.
How do I remember has run easily?
Remember this: “has” always needs the participle. For run, that form is run. Think “has + run” as a fixed pair.
Is “has ran” ever acceptable?
In standard English, no. You may hear it in casual speech, but it’s considered incorrect in writing and formal communication.
Can “has run” be used formally?
Yes. “Has run” is fully acceptable in professional, academic, and formal writing.
What are similar verbs with this pattern?
Other verbs work the same way: go/went/gone (has gone), see/saw/seen (has seen), eat/ate/eaten (has eaten).

Sarah Mitchell is an experienced writer and grammar teacher with over 10 years of expertise in English language education. She helps learners improve their grammar, writing, and communication skills through clear explanations and practical examples. Sarah creates learner-friendly content focused on real-life English, making language learning simple, effective, and confidence-building.