Many English learners wonder whether “time has flew by” or “time has flown by” is correct. These two phrases look similar, but only one follows proper English grammar. Understanding the difference will help you write and speak more naturally, avoid common mistakes, and use the correct verb form with confidence.
Comparison Overview
Both “time has flew by” and “time has flown by” express the idea that time passed very quickly. The difference is grammatical rather than meaning-based.
- Time has flew by is grammatically incorrect.
- Time has flown by is grammatically correct because it uses the proper past participle of the verb fly after the helping verb has.
| Feature | Time Has Flew By | Time Has Flown By |
| Grammar | Incorrect | Correct |
| Verb Form | Past tense (flew) | Past participle (flown) |
| Used with “has” | ❌ No | ✅ Yes |
| Standard English | ❌ No | ✅ Yes |
| Recommended Usage | Never | Always |
Definition of Time Has Flew By
“Time has flew by” is an incorrect English phrase. It combines the helping verb has with flew, which is the simple past tense of fly.
The phrase is commonly written by English learners because flew and flown are often confused.
Meaning intended:
The writer wants to say that time passed very quickly.
Problem:
The grammar is incorrect because has must be followed by a past participle, not a simple past verb.
Definition of Time Has Flown By
“Time has flown by” is the correct English expression.
It means that time passed very quickly or seemed to move faster than expected.
This phrase uses the present perfect tense:
- has (helping verb)
- flown (past participle of fly)
Example:
- Time has flown by since we graduated.
Main Differences Between Time Has Flew By and Time Has Flown By
The biggest difference is grammar.
| Point | Time Has Flew By | Time Has Flown By |
| Correct English | No | Yes |
| Verb Used | Flew | Flown |
| Verb Type | Simple past | Past participle |
| Present Perfect | Incorrect | Correct |
| Natural Usage | No | Yes |
Meaning
Both phrases attempt to express the same meaning, but only one does so correctly.
Grammar
- Flew = simple past
- Flown = past participle
Usage
Native English speakers use time has flown by, never time has flew by.
Why the Confusion Happens
Many irregular English verbs have different past tense and past participle forms.
Examples:
| Base Verb | Past Tense | Past Participle |
| Fly | Flew | Flown |
| Go | Went | Gone |
| Break | Broke | Broken |
| Write | Wrote | Written |
| Eat | Ate | Eaten |
Because learners remember flew, they sometimes mistakenly use it after has, have, or had.
Common Expressions Using “Time Has Flown By”
Some common and natural expressions include:
- Time has flown by.
- The years have flown by.
- Summer has flown by.
- The weekend has flown by.
- The holiday has flown by.
- The semester has flown by.
- My childhood has flown by.
Grammar Guide
The verb fly is an irregular verb.
| Verb Form | Word |
| Base Verb | Fly |
| Present | Fly |
| Past Tense | Flew |
| Past Participle | Flown |
How Each Term Is Used in Sentences
Time Has Flew By
Incorrect:
- ❌ Time has flew by.
- ❌ The year has flew by.
Correct alternatives:
- ✅ Time flew by.
- ✅ Time has flown by.
Time Has Flown By
Correct:
- Time has flown by since I started college.
- The holidays have flown by.
- This month has flown by.
- The years have flown by.
- Life has flown by quickly.
Common Mistakes Learners Make
- Using flew after has.
- Thinking every past verb works after helping verbs.
- Forgetting that irregular verbs have special past participles.
- Mixing simple past and present perfect tenses.
- Writing phrases exactly as they sound.
Simple Rules to Remember
- Has + past participle
- Fly → Flew → Flown
- Never use has flew.
- Always use has flown.
- If you use has, have, or had, choose the past participle.
Quick Tips for Writing and Speaking
- Memorize irregular verbs.
- Read authentic English books and articles.
- Listen to native speakers.
- Proofread your writing.
- Replace has flew with has flown every time.
When to Use Each One
Use “Time Has Flown By”
Use it when talking about something that feels like it passed very quickly.
Examples:
- Since graduation.
- During vacations.
- While raising children.
- During busy work periods.
- Looking back on life.
Use “Time Has Flew By”
Do not use it in standard English.
Replace it with:
- Time flew by.
- Time has flown by.
When NOT to Use Each One
Do Not Use “Time Has Flew By”
Incorrect examples:
- ❌ Time has flew by.
- ❌ Summer has flew by.
- ❌ Life has flew by.
Do Not Use “Time Has Flown By”
Avoid it when using the simple past.
Correct:
- Time flew by yesterday.
Not:
- Time has flown by yesterday.
The present perfect is generally not used with finished time expressions such as yesterday, last week, or in 2020.
Which One to Use (Decision Guide)
Use this guide:
- Are you using has, have, or had?
- Use flown.
- Are you describing a completed action in the simple past?
- Use flew without has.
- Are you choosing between time has flew by and time has flown by?
- Always choose time has flown by.
Real-World Practical Examples
Time Has Flew By Examples
These examples illustrate common mistakes:
- ❌ Time has flew by since graduation.
- ❌ The summer has flew by quickly.
- ❌ My vacation has flew by.
- ❌ The meeting has flew by.
- ❌ The semester has flew by.
Correct each sentence by replacing flew with flown.
Time Has Flown By Examples
- Education: Time has flown by since I started university.
- Daily Life: The weekend has flown by so quickly.
- Business: The first quarter has flown by.
- Technology: Time has flown by while developing this app.
- Conversation: Wow, time has flown by since we last met.
Self-Assessment (Fill in the Blanks)
- I will use ______ when referring to the present perfect tense. The correct word is ______ because it follows has.
- I will use ______ when describing time passing quickly with has. The correct word is ______ because it is the past participle.
- I will use ______ after have. The correct word is ______ because flew is incorrect here.
- I will use ______ when talking about years passing quickly. The correct word is ______ because the grammar is correct.
- I will use ______ after had. The correct word is ______ because it is the correct participle.
- I will use ______ instead of has flew. The correct word is ______ because English requires a participle.
- I will use ______ in formal writing. The correct word is ______ because it is standard English.
- I will use ______ in an academic essay. The correct word is ______ because it is grammatically correct.
- I will use ______ in business communication. The correct word is ______ because it follows proper grammar.
- I will use ______ when writing professionally. The correct word is ______ because native speakers use it.
- I will use ______ after has. The correct word is ______ because flew is the simple past.
- I will use ______ in everyday conversation. The correct word is ______ because it sounds natural.
- I will use ______ when discussing childhood memories. The correct word is ______ because the action relates to the present.
- I will use ______ in a speech. The correct word is ______ because it is grammatically accurate.
- I will use ______ in an email. The correct word is ______ because it is the accepted form.
- I will use ______ after have in reports. The correct word is ______ because it is the past participle.
- I will use ______ when describing a fast-moving semester. The correct word is ______ because it follows the present perfect.
- I will use ______ when talking about years together. The correct word is ______ because it is the correct verb form.
- I will use ______ instead of time has flew by. The correct word is ______ because only one phrase is correct.
- I will use ______ whenever I see has before the verb fly. The correct word is ______ because has requires the past participle.
Answers
- Time has flown by; flown
- Time has flown by; flown
- flown; flown
- Time has flown by; flown
- flown; flown
- time has flown by; flown
- time has flown by; flown
- time has flown by; flown
- time has flown by; flown
- time has flown by; flown
- flown; flown
- time has flown by; flown
- time has flown by; flown
- time has flown by; flown
- time has flown by; flown
- flown; flown
- time has flown by; flown
- time has flown by; flown
- time has flown by; time has flown by
- flown; flown
Conclusion
Understanding the difference between Time Has Flew By Or Time Has Flown By is much easier once you know how irregular verbs work in English. While both phrases try to express that time has passed quickly, only “time has flown by” is grammatically correct because flown is the past participle of the verb fly. On the other hand, “time has flew by” is a common mistake caused by confusing the simple past tense with the past participle. Remembering the pattern fly – flew – flown will help you avoid this error in both writing and conversation. Whether you are preparing for an exam, improving your grammar, or simply aiming to communicate more naturally, choosing the correct phrase makes your English clearer and more professional. With regular practice and exposure to correct examples, using “time has flown by” will soon become second nature.
FAQs
Is “time has flew by” grammatically correct?
No, “time has flew by” is not grammatically correct. The helping verb has must be followed by the past participle of the main verb. Since the past participle of fly is flown, the correct phrase is “time has flown by.”
Why is “time has flown by” correct?
“Time has flown by” is correct because it uses the present perfect tense. This tense is formed with has or have followed by the past participle. The verb fly changes to flown in the past participle form, making the phrase grammatically accurate.
What does “time has flown by” mean?
The phrase means that time has passed very quickly. It is often used when people are surprised by how quickly days, months, or years have gone by, especially during enjoyable or busy periods.
What is the difference between flew and flown?
Flew is the simple past tense of fly, while flown is the past participle. Use flew without helping verbs, and use flown after has, have, or had in perfect tenses.
Can I say “time flew by” instead?
Yes, “time flew by” is completely correct. It uses the simple past tense and refers to an event that happened in the past. It is different from “time has flown by,” which uses the present perfect tense.
Why do English learners confuse these phrases?
Many learners confuse flew and flown because both are forms of the irregular verb fly. Remembering that helping verbs like has always require the past participle can prevent this common mistake.
Is “time has flown by” suitable for formal writing?
Yes, “time has flown by” is appropriate for both formal and informal writing. It is widely accepted in standard English and can be used in essays, emails, reports, speeches, and everyday conversations.
Are there other verbs similar to fly?
Yes. Many irregular verbs have different past tense and past participle forms. Examples include go, went, gone, write, wrote, written, and break, broke, broken. Learning these patterns improves both grammar and fluency.
How can I remember the correct phrase?
A simple way to remember it is the pattern fly – flew – flown. Whenever you use has, have, or had, choose flown instead of flew. This rule applies consistently to the present perfect and past perfect tenses.
Which phrase should I always use?
If you are choosing between “time has flew by” and “time has flown by,” always use “time has flown by.” It is the only grammatically correct option in standard English and is understood naturally by native speakers.
