Separable verbs in Dutch: present and past (Ik bel je op)

A separable verb is a verb built from a small word plus a verb — a prefix (like op, mee, aan) glued to a base verb. In the present and simple past the two come apart: opbellen (to call up) becomes Ik bel je op (I'll call you). The prefix carries the stress: you say ÓP-bellen, and that is how you know it splits.

Conjugate the base verb in its normal spot — second in the sentence — and send the prefix on its own to the end of the main clause.

1. Take off the prefix and conjugate what is left like any other verb: opbellen → bellen → ik bel, hij belt.
2. Put the finite verb in the usual second position: Ik bel …
3. Drop the prefix at the very end of the main clause: Ik bel je op. Everything else sits in between: Ik bel je vanavond op (I'll call you tonight).

The simple past works the same way — only the base verb changes for tense, and the prefix still lands at the end.

Example sentences: Neem je paraplu mee. (Bring your umbrella.) De trein kwam om negen uur aan. (The train arrived at nine.) Vroeger stond ik altijd vroeg op. (I always used to get up early.)

The verb only splits when it is the finite verb — the one conjugated for the subject and tense in a main clause. In three other situations it stays in one piece.

• As a plain infinitive after another verb (a modal like willen, moeten, gaan): the prefix stays glued. Ik wil je straks opbellen. (I want to call you later.) Je moet je paraplu meenemen. (You have to bring your umbrella.)
• In a subordinate clause, where all verbs move to the end, the separable verb usually stays intact: … omdat ik je later opbel (… because I'll call you later). More on this in subordinate clauses: the verb goes to the end.
• As a past participle it is written as one word: opgebeld, meegenomen. See the past participle of separable verbs.

The stress falls on the prefix: ÓPbellen, MÉÉnemen, ÁÁNkomen. If instead the stress sits on the verb part — verKÓpen (to sell), beTÁlen (to pay) — the verb never splits; those are inseparable verbs. A few prefixes (om-, onder-, over-, door-, voor-) can go either way, and the stress decides — see separable or inseparable?.

The most common error is leaving the verb whole in a main clause: Ik opbel je vanavond is wrong. In a main-clause present or past, the prefix must break off and go to the end: Ik bel je vanavond op. English keeps call up together, so it takes practice to let the two halves drift apart.