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Irregular verb

The verb to fly

fly → flew → flown

B1Meaning: to move through the air; to travel by plane · Type: irregular · Frequency: Top 100 English verbs

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Key points to remember

  • Present Simple: I/you/we/they fly · he/she/it flies
  • Past Simple: flew (said /fluː/)
  • Past participle: flown (different from the Past Simple)
  • -ing form: flying

Conjugation of the verb to fly

Present Simple

Ifly
Youfly
He / She / Itflies
Wefly
You (pl.)fly
Theyfly

Past Simple

Iflew
Youflew
He / She / Itflew
Weflew
You (pl.)flew
Theyflew

How to use to fly

1. Flying (birds, planes)

  • Birds fly in the sky.
  • Planes fly very fast.

2. Travelling by plane

Use fly to or fly from + a place.

  • I fly to Paris twice a year.
  • She flew home for Christmas.

3. Passing quickly (time)

Time flies means time passes very quickly.

  • Time flies when you're having fun.

Common mistakes to avoid

1. Fly is also an insect

As a noun, a fly is a small insect. The plural is flies. Don't confuse it with the verb fly.

2. Time flies

A fixed expression: time flies means time passes very quickly. The proverb is in the Present Simple, but the past also exists: The holidays flew by.

What's next?

You can conjugate to fly. Now say it out loud.

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Frequently asked questions

What is the past simple of fly?+

The Past Simple of fly is flew. The past participle is flown. Three forms: fly → flew → flown.

Is it flew or flown?+

Flew is the Past Simple: a finished action, often with a time. I flew to Rome yesterday. Flown is the past participle, used after have / has: I have flown three times (I have travelled by plane three times).

How do you talk about travelling by plane?+

Use fly: I flew to Madrid (Past Simple) or I have flown to Madrid twice (Present Perfect, for an experience). You can also say I took a flight to Madrid. Fly is the natural verb for travelling by plane.

What is the plural of fly (the insect)?+

As a noun, a fly is a small insect. The plural is flies. Be careful: it is the same word as the verb, but with a different meaning.

Is it flew or flied?+

Fly is irregular: its Past Simple is flew and its past participle is flown. Never flied (except in baseball, a very rare technical use).

Updated on 12 November 2026 by the Big Challenge teaching team. Every year, more than 500,000 students across Europe take part in our English contest, created in 1999. Our teaching approach →