Breakdown of Sollte eine Transaktion unberechtigt sein, melden Sie es bitte unverzüglich.
sein
to be
ein
a, an (eine)
es
it
Sie
you (formal)
Questions & Answers about Sollte eine Transaktion unberechtigt sein, melden Sie es bitte unverzüglich.
Why does this sentence start with Sollte instead of Wenn?
Starting a sentence with Sollte (the Konjunktiv II form of sollen) is an elegant, slightly formal way to express 'If [something] should happen...' or 'Should [something] happen...'. When you use this structure, you drop Wenn and move the conjugated verb to the very first position of the conditional clause.
Why does the main clause start with the verb melden right after the comma?
In German, the entire conditional clause (Sollte eine Transaktion unberechtigt sein) acts as a single block occupying the first position of the overall sentence. Therefore, the conjugated verb of the main clause (melden) must come next in the second position. This is the exact same word order you would use if the first clause started with Wenn.
Does the pronoun es in the second half refer back to Transaktion?
No, it doesn't. Because die Transaktion is feminine, referring directly to it would require the pronoun sie (melden Sie sie). Instead, es refers abstractly to the entire situation. You are reporting the fact that an unauthorized charge occurred, rather than reporting the transaction itself.
What is the root of the word unverzüglich?