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Both, beiden & allebei

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Beide, beiden and allebei have the same meaning, but they are used in different ways in Dutch.

Beide vs. beiden vs. allebei: the practical difference

All three mean “both”. The key is what comes next (a noun? people? informal style?).

Form Use Typical pattern Example (NL) Meaning (EN)
beide Neutral / standard beide + plural noun Ik heb beide rapporten gelezen. I read both reports.
beiden Only people subject (people) + … + beiden De onderzoekers hebben beiden getekend. The researchers both signed.
allebei More informal allebei + pronoun / or allebei de + plural noun Ik gebruik ze allebei elke dag. I use them both every day.

Step 1: If there is a noun right after “both”

  • Choose beide (standard).
  • You can also choose allebei de (informal, common in speech).

Correct

  • We bespreken beide opties morgen.
  • We bespreken allebei de opties morgen. (more informal)

Avoid

  • allebei opties (missing de)
  • beiden opties (beiden is for people, not for “options”)

Step 2: If “both” refers to people (and the sentence already names them)

Use beiden when it clearly refers to two people as the subject.

  • De managers hebben beiden ingestemd.
  • Mijn collega’s waren beiden aanwezig.

Tip: If you can replace it with “both of them” in English, beiden often fits.

Step 3: If you mean “both” with a pronoun (ze / hen / jullie / wij)

When “both” is supported by a pronoun, Dutch often uses allebei (informal) or beide (neutral).

  • Ik heb ze allebei gemaild. (informal, very common)
  • Ik heb ze beide gemaild. (more neutral)

People or things? In this structure, beide and allebei can refer to either people or things. Context makes it clear.

Quick self-check: which one should I pick?

  1. Is it only about people?
    • Yes, and it refers to the subject: choose beiden.
  2. Is there a plural noun right after it?
    • Choose beide + noun (safe choice).
    • Or allebei de + noun (informal).
  3. Is it with a pronoun (ze/hen/jullie)?
    • Choose allebei (natural in speech) or beide (neutral).

Common mistakes (and how to fix them)

  • Mistake: using beiden for things.
    • De twee rapporten zijn beiden vertrouwelijk.
    • Fix: De twee rapporten zijn allebei vertrouwelijk. / De twee rapporten zijn beide vertrouwelijk.
  • Mistake: forgetting de after allebei + noun.
    • Allebei experimenten waren succesvol.
    • Fix: Allebei de experimenten waren succesvol.
  • Mistake: placing beiden next to a noun.
    • beiden collega’s
    • Fix: beide collega’s / de collega’s beiden

What you should aim for in professional Dutch

  • In writing and formal presentations: prefer beide and beiden.
  • In everyday conversation: allebei is natural (especially with pronouns).
  • When in doubt: choose beide + plural noun. It is almost always correct and neutral.
  1. Beide is used before a noun or for a noun.
  2. Beiden refers only to people and is used with a plural subject.
  3. Allebei is informal, used for things or people when it is supported by a pronoun or noun.
Gebruik (Usage)Voorbeeld (Example)
Beide (Both)Ik heb beide artikelen gelezen. (I have read both articles.)
Beiden (Both (people))De onderzoekers hebben beiden het laboratoriumonderzoek zorgvuldig uitgevoerd. (The researchers have both carried out the laboratory research carefully.)
Allebei (Both (informal))Allebei de experimenten zijn succesvol afgerond. (Both experiments have been completed successfully.)

Exceptions!

  1. You can use beide or allebei to refer to people or objects, as long as it is supported by a pronoun or noun in the same sentence.
  2. When you use allebei before a noun, you add 'de', which is an informal usage.

Exercise 1: Multiple choice

Instruction: Choose the correct answer

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Free NL

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NL + EN

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1. Ik heb ____ onderzoeksrapporten doorgestuurd naar de afdeling Kwaliteit. Ik heb beide onderzoeksrapporten doorgestuurd naar de afdeling Kwaliteit.

I have forwarded ____ research reports to the Quality department.

2. De twee onderzoekers hebben ____ de veiligheidsprocedure gecontroleerd. De twee onderzoekers hebben beiden de veiligheidsprocedure gecontroleerd.

The two researchers have ____ checked the safety procedure.

3. ____ experimenten wijzen op hetzelfde verband. Allebei de experimenten wijzen op hetzelfde verband.

____ experiments point to the same relationship.

4. We moeten ____ informeren voordat we conclusies trekken uit het onderzoek. We moeten beide afdelingen informeren voordat we conclusies trekken uit het onderzoek.

We must ____ inform before we draw conclusions from the research.

Exercise 2: Rewrite the phrases

Instruction: Rewrite the sentences with the correct word: beide, beiden or allebei (note: "beiden" is used only for people).

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  1. (beide) Ik heb de twee rapporten al gelezen.
    ⇒ ____________________________________________________________________________________________________ Example
    Ik heb beide rapporten al gelezen.
    (I have already read both reports.)
  2. (beiden) De twee collega’s hebben de presentatie voorbereid.
    ⇒ ____________________________________________________________________________________________________ Example
    De twee collega’s hebben beiden de presentatie voorbereid.
    (The two colleagues both prepared the presentation.)
  3. (allebei) De twee vergaderingen beginnen om negen uur.
    ⇒ ____________________________________________________________________________________________________ Example
    Allebei de vergaderingen beginnen om negen uur.
    (Both meetings start at nine o’clock.)
  4. (beide) Hij heeft twee opties: thuiswerken of op kantoor werken. Hij vindt ze allebei goed.
    ⇒ ____________________________________________________________________________________________________ Example
    Hij heeft twee opties: thuiswerken of op kantoor werken. Hij vindt beide opties goed.
    (He has two options: working from home or working at the office. He thinks both options are good.)

Exercise 3: Multiple Choice

Instruction: Choose the correct sentence in each question.

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1.
Incorrect: with a noun you must support 'both' with 'the' — so 'both of the experiments'.
2.
Incorrect: 'both' refers to people in the subject and is used incorrectly here with 'the method' as the direct object; that results in an unusual sentence structure.

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Yoni De Ketelaere

Bachelor in International Business Management

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Last Updated:

Monday, 07/09/2026 20:50