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Began vs. Begun — What's the Difference?

Edited by Tayyaba Rehman — By Fiza Rafique — Updated on September 26, 2023
Began is the past tense of "begin," indicating a started action. Begun is the past participle, used with "have" to show a completed action.

Difference Between Began and Begun

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Key Differences

Began and Begun both derive from the verb "begin," but their uses in sentences differ based on tense and structure.
Fiza Rafique
Sep 26, 2023
Began is the simple past tense, used to indicate that an action started but might not be completed. For instance, "She began reading a book."
Fiza Rafique
Sep 26, 2023
On the other hand, Begun is the past participle form. It requires an auxiliary verb, typically "has" or "have," to show that an action was initiated and then completed. For instance, "She has begun a new project."
Fiza Rafique
Sep 26, 2023

Comparison Chart

Tense

Simple Past
Past Participle
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Sep 26, 2023

Usage

Indicates a started action.
Used with "have" to show completed action.
Fiza Rafique
Sep 26, 2023
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Auxiliary Verb Required

No
Yes (e.g., has/have)
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Sep 26, 2023

Example

"She began working."
"She has begun working."
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Sep 26, 2023

Common Mistake

Using without an auxiliary verb.
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Sep 26, 2023

Definitions

Began

The past tense form of "begin".
The movie began at 7.
Fiza Rafique
Sep 26, 2023

Begun

The past participle form of "begin".
The project has begun.
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Sep 26, 2023
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Began

Used to introduce an event in the past.
The ceremony began with a song.
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Sep 26, 2023

Begun

Indicates an action that started and may or may not have been completed.
The construction has already begun.
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Sep 26, 2023

Began

Denotes the initiation of a process.
The team began their research.
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Sep 26, 2023

Begun

Used with an auxiliary verb to show action progression.
They have begun to understand the implications.
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Sep 26, 2023

Began

Indicates the start of an action.
He began writing his thesis.
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Sep 26, 2023

Begun

Denotes an initiated action in relation to another event.
By the time I arrived, the event had already begun.
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Sep 26, 2023

Began

Refers to the origin or starting point of something.
The trend began in Europe.
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Sep 26, 2023

Begun

Suggests the commencement of an activity in the more distant past.
The course had begun when she joined.
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Sep 26, 2023

Began

Past tense of begin.
Fiza Rafique
Jan 20, 2019

Begun

For Begun farmer's movement see Begun movement. For people with Begun surname see Begun (surname).Begun is a city and a municipality in Chittaurgarh district in the state of Rajasthan, India.Begu was offered along with Gothlai to Chunda ji, crown prince of mewar in 15th century AD, and so it was ruled by the Chundawat sisodia Rajputs of Mewar.
Fiza Rafique
Jan 20, 2019

Began

(obsolete) begin
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Jan 20, 2019

Begun

Past participle of begin.
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Jan 20, 2019

Begun

Inflection of begin
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Jan 20, 2019

FAQs

Do Began and Begun have the same meaning?

They both relate to the start of an action but are used in different tenses.
Fiza Rafique
Sep 26, 2023

What is the main difference between Began and Begun?

Began is the past tense; Begun is the past participle used with "have".
Fiza Rafique
Sep 26, 2023

Why is the phrase "She has began" incorrect?

Because "has" requires the past participle form "begun".
Fiza Rafique
Sep 26, 2023

Which one should I use to indicate an action started in the past?

Use "Began" for simple past tense actions.
Fiza Rafique
Sep 26, 2023

Which is more formal, Began or Begun?

Neither is more formal; their usage depends on tense.
Fiza Rafique
Sep 26, 2023

Is it correct to say "She begun the work"?

No, it should be "She began the work" or "She has begun the work".
Fiza Rafique
Sep 26, 2023

Can I use Begun by itself in a sentence?

No, Begun requires an auxiliary verb, such as "has" or "have".
Fiza Rafique
Sep 26, 2023

Are these terms used differently in British vs. American English?

No, their usage is consistent in both versions.
Fiza Rafique
Sep 26, 2023

Is "Begin" the base form of both Began and Begun?

Yes, "Begin" is the present form of the verb.
Fiza Rafique
Sep 26, 2023

How can I remember the difference between Began and Begun?

Remember "Began" is simple past; "Begun" pairs with "has/have/had".
Fiza Rafique
Sep 26, 2023

Can I say "The work has been began"?

No, it should be "The work has been begun".
Fiza Rafique
Sep 26, 2023

Why is tense important when choosing between Began and Begun?

Because it determines the correct form and clarity of the action's timing.
Fiza Rafique
Sep 26, 2023

Is it ever correct to say "They begun their journey"?

No, it should be "They began their journey" or "They have begun their journey".
Fiza Rafique
Sep 26, 2023

Are there other verbs like "Begin" that have similar distinctions in past forms?

Yes, like "sing" (sang/sung) or "drink" (drank/drunk).
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Sep 26, 2023

Do all verbs in English have a distinct past tense and past participle form?

No, but many irregular verbs do, like "Begin".
Fiza Rafique
Sep 26, 2023

Author Spotlight

Written by
Fiza Rafique
Fiza Rafique is a skilled content editor at AskDifference.com, where she meticulously refines and enhances written pieces. Drawing from her vast editorial expertise, Fiza ensures clarity, accuracy, and precision in every article. Passionate about language, she continually seeks to elevate the quality of content for readers worldwide.
Tayyaba Rehman is a distinguished writer, currently serving as a primary contributor to askdifference.com. As a researcher in semantics and etymology, Tayyaba's passion for the complexity of languages and their distinctions has found a perfect home on the platform. Tayyaba delves into the intricacies of language, distinguishing between commonly confused words and phrases, thereby providing clarity for readers worldwide.

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