Reflexive Verbs with Fixed Prepositions

A large and high-frequency group of German verbs does three things at once: it carries a reflexive pronoun, it governs a fixed preposition, and that preposition assigns a fixed case. Sich freuen auf, sich interessieren für, sich kümmern um — none of these three pieces is optional, and none is predictable from English. This page treats these verbs as the dense frames they really are, so you stop assembling them piece by piece and start storing them as single units.

The three-part frame

Take sich interessieren für + Akkusativ. To use it correctly you must remember all three of:

1. the reflexive pronoun (mich, dich, sich, uns, euch, sich),
2. the preposition (für, not in as English suggests),
3. the case the preposition assigns (here accusative).

Two pronoun-like elements now sit in the clause, but they never clash, because they fill different slots. The reflexive mich/dich/sich is the object of the verb; the noun after the preposition is governed by that preposition. They belong to separate grammatical levels.

The core list, sorted by case

The single most useful thing you can do is memorize which preposition each verb takes, and — for the two-way prepositions auf, über, an — that they lock to a fixed case here regardless of any spatial logic.

Accusative-governing

Dative-governing

Notice that auf, über and an appear here as accusative-takers even though they are two-way (Wechsel-) prepositions. That is because the case is not doing spatial work — it is simply fixed by the verb frame. There is no movement-vs-location logic to apply; you just learn that sich freuen auf takes the accusative, full stop.

auf vs über with sich freuen

Sich freuen is the classic pair-trap. You freuen sich auf something still ahead (you look forward to it), and you freuen sich über something that has just happened or that you have received. Both take the accusative.

The same forward/backward split runs through several pairs: sich ärgern über always points back at something that has already annoyed you, while sich freuen auf always points ahead. Anchoring the preposition to the time direction helps the choice stick.

da-compounds: when the complement is a thing or a clause

German does not strand prepositions. You cannot say "what are you interested in?" with the preposition floating at the end. Instead, when the prepositional object is a thing (not a person) or an entire clause, the preposition fuses with da- (or dar- before a vowel) to form a pronominal adverb:

This da-compound is obligatory before a subordinate clause. When the thing you look forward to is expressed as a dass-clause or a zu-infinitive, you announce it in the main clause with the da-form:

The da-compound also replaces a plain thing-complement so you don't repeat it: Interessierst du dich für Politik? — Ja, ich interessiere mich sehr *dafür. For people, you keep the real preposition plus a personal pronoun instead: Ich verlasse mich *auf dich (not darauf).

wo-compounds: asking the question

To question the prepositional object of one of these verbs, German uses a wo-compound (wor- before a vowel) — the mirror image of the da-form. This is how you ask "what … about/for/on?":

If the answer is a person, you switch to a preposition + wem/wen question instead: Auf wen verlässt du dich? ("Who do you rely on?"). The wo-compound is reserved for things.

English contrast: why these frames are so slippery

English speakers stumble on these verbs for three independent reasons, and the reasons stack:

• No reflexive. English says "I'm interested in," "I rely on," "I'm looking forward to" — no reflexive pronoun anywhere. German demands one, and it is the piece learners forget first.
• Different preposition. The English preposition almost never matches: interested in but für; rely on but auf; remember (no preposition) but erinnern an. Word-for-word transfer produces sich interessieren in, which is simply wrong.
• No stranding. English happily strands prepositions ("What are you waiting for?"). German must front the whole unit as a wo-compound (Worauf wartest du?).

Because all three errors can occur in a single short sentence, these verbs reward memorizing the complete frame far more than they reward grammatical reasoning.

Common Mistakes

Key Takeaways

• These verbs are three-part frames: reflexive pronoun + fixed preposition + fixed case. Learn all three together.
• The case after auf, über, an in these frames is fixed by the verb (accusative for the ones on this page) — ignore two-way spatial logic.
• Before a clause or for a thing-complement, the preposition becomes a da-compound (darauf, darüber, daran); the da-form is obligatory ahead of a dass- or zu-clause.
• To question a thing-complement, use the wo-compound (Worauf? Worüber? Womit?); for people, use preposition + wen/wem.
• The English preposition is almost never a reliable guide — interessieren für, not in; verlassen auf, not on.