als / wanneer

Als or Wanneer?

Level 3

Both als and wanneer mean 'when,' but they aren't always interchangeable. Als is the everyday choice for 'if' or 'whenever.' Wanneer is used for questions ('When?') or formal future timing.

How It Works

Understanding the difference between als and wanneer is key to sounding natural in Dutch:

1. Als (Condition & Habit): This is the most common word. Use it when you mean 'if' or 'whenever' (repeated events).

  • Als het regent, neem ik een paraplu. (If/Whenever it rains...)

2. Wanneer (Question & Specific Future): Use this as a question word (direct or indirect). In statements, it is more formal than als and emphasizes the specific moment in time.

  • Wanneer kom je? (When are you coming?)
  • Ik weet niet wanneer hij belt. (I don't know when he is calling.)

3. Word Order: Both are subordinating conjunctions. This means they trigger subordinate clause word order, where the conjugated verb moves to the very end of the clause.

4. The Past Tense Exception: If you are talking about a single, completed event in the past (e.g., 'When I was six...'), you must use toen instead of als or wanneer.

Examples (5)

  1. Als ik moe ben, ga ik slapen.

    When (whenever) I am tired, I go to sleep.

    Word by Word: If I tired am, go I sleep.

    Here 'als' is used for a habitual situation or condition.

  2. Wanneer begint de film?

    When does the film start?

    Word by Word: When starts the film?

    'Wanneer' is the only choice for direct questions about time.

  3. Als je tijd hebt, moet je me bellen.

    If you have time, you should call me.

    Word by Word: If you time have, must you me call.

    'Als' functions as 'if' here, setting a condition.

  4. Ik hoor het wel wanneer u klaar bent.

    I will hear it when you are ready.

    Word by Word: I hear it indeed when you ready are.

    In this formal future context, 'wanneer' refers to the specific moment of completion.

  5. We gaan wandelen als de zon schijnt.

    We go for a walk if the sun shines.

    Word by Word: We go walk if the sun shines.

    Note how the verb 'schijnt' moves to the end after 'als'.

Common Mistakes

  • Using 'als' for a single event in the past.

    Als ik gisteren in Amsterdam was, zag ik een molen.
    Toen ik gisteren in Amsterdam was, zag ik een molen.

    For a specific one-time event in the past, you must use 'toen'. 'Als' is only for present, future, or repeated past events.

  • Using 'als' in a question.

    Als kom je naar huis?
    Wanneer kom je naar huis?

    'Als' can never be used as an interrogative (question) word. Always use 'wanneer' to ask 'when?'

  • Using 'of' instead of 'als' for conditions.

    Ik kom of het niet regent.
    Ik kom als het niet regent.

    'Of' means 'if' only in the sense of 'whether' (uncertainty). For conditions, use 'als'.

How It Connects

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als / wanneerLevel 3Als or Wanneer?

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This comparison helps you understand the differences between als and wanneer. Study each pattern individually first.

Words in This Pattern

alswanneerwanneer