Wenn wir heute absagen müssen, storniere ich die Tickets sofort.

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Breakdown of Wenn wir heute absagen müssen, storniere ich die Tickets sofort.

• wir: we
• heute: today
• müssen: must

Questions & Answers about Wenn wir heute absagen müssen, storniere ich die Tickets sofort.

Why is müssen at the end of the first clause?

Because wenn introduces a subordinate clause, and in German subordinate clauses the (conjugated) verb goes to the end. With a modal + main verb, the main verb comes right before the modal at the end: … wir heute absagen müssen. In a main clause it would be Wir müssen heute absagen.

Why does the second clause start with storniere instead of ich?

The whole wenn-clause occupies position 1 of the sentence. German main clauses are verb‑second (V2), so the finite verb must come next (position 2), followed by the subject: …, storniere ich …. If you put the main clause first, you use normal V2: Ich storniere …, wenn …

Can I use falls instead of wenn?

Yes. falls = “in case/if” and can sound a bit more tentative or formal. Wenn is the neutral, most common choice. Both are fine here.

Could I use ob here?

No. ob means “whether/if” in indirect yes/no questions, not in conditionals. Ob wir heute absagen müssen, … means “whether we have to cancel today, …” and would need a different continuation.

Why is the present tense (storniere) used to talk about the future?