Breakdown of Der Einbruch ist aufgeklärt worden und die Akte ist geprüft worden.
sein
to be
und
and
prüfen
to check / to test
werden
to be (passive auxiliary + past participle)
der Einbruch
the burglary
aufklären
to solve (a crime, case)
die Akte
the file (physical, dossier)
Questions & Answers about Der Einbruch ist aufgeklärt worden und die Akte ist geprüft worden.
Why do we use ist and worden here instead of hat and geworden?
This sentence uses the passive voice in the Perfekt (present perfect) tense. To form this, German uses sein (here, ist) as the helping verb, followed by the past participle of the main verb (aufgeklärt or geprüft), and ending with worden. We do not use haben because the passive voice always builds its perfect tense with sein.
Why is the final word worden and not geworden?
When werden is used as a helping verb to build the passive voice, its past participle drops the ge- prefix and becomes worden. You only use geworden when werden is the main verb meaning to become (for example: Er ist alt geworden - He has become old).
How is the past participle aufgeklärt formed?
The infinitive is aufklären (to clear up or solve), which is a separable verb. To form the past participle, the -ge- is placed between the separable prefix auf- and the verb stem -klär-, and it ends with -t because it is a weak (regular) verb, giving us aufgeklärt.
Why does the second part of the sentence start with die Akte instead of pushing the verb to the end?
The word und is a coordinating conjunction, which means it joins two main clauses without changing their word order. It occupies position zero, so die Akte is in position 1, and the conjugated verb ist takes its normal place in position 2.
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