Where the separable prefix lands (Ik bel je op)

A separable verb is a verb with a prefix that can break off, like opbellen (to phone) or meenemen (to bring along). In a main clause the stem is conjugated and holds second place, and the prefix splits off and travels to the very end: Ik bel je op. (I'll call you.) This page is about where that loose prefix lands.

In a main clause the split-off prefix goes to the very end of the clause, after everything in the middle — objects, time words, place words — while the conjugated stem stays in second position: Ik bel je morgen op. (I'll call you tomorrow.)

1. One verb, main clause: conjugate the stem in second place, drop the prefix at the end. Ik sta om zeven uur op. (opstaan — I get up at seven.)
2. Everything else sits between the verb and the prefix. The more you put in the middle, the further apart they stand: Ik ruim vanavond mijn kamer op. (opruimen — I'll tidy my room tonight.)
3. When another verb sends the separable verb to the end, it appears there as a whole infinitive: Ik wil je morgen opbellen. Here wil is the finite verb and opbellen stays joined in the end cluster.
4. In a subordinate clause the finite verb itself moves to the end, so the prefix reattaches: …omdat ik je morgen opbel. (…because I'll call you tomorrow.)
5. In the perfect tense the verb is a past participle and stays whole, with ge- tucked inside: Ik heb je gisteren opgebeld. (I called you yesterday.)

• The stress falls on the prefix: OPbellen, MEEnemen. That stress is the sign the prefix can split off.
• The prefix is usually a small word that could stand alone — op, aan, mee, uit, af, terug, door. Compare an inseparable prefix like be- or ver-, which never splits (betalen → Ik betaal, not Ik taal be).
• The two halves clamp the middle of the clause between them. This split frame is the backbone of Dutch word order: the finite verb near the front, its partner at the end.

Learners often leave the prefix stuck to the verb in a simple main clause: Ik opbel je. In a main clause with a single verb the prefix must split off and go to the end: Ik bel je op. The prefix only stays attached when the verb is an infinitive (after another verb: Ik wil je opbellen) or a participle (Ik heb je opgebeld), or when a subordinate clause has sent the whole verb to the end (…dat ik je opbel).