Breakdown of Der Professor bietet entweder ein Seminar oder eine Vorlesung an.
ein
a, an (eine)
oder
or
anbieten
to offer
die Vorlesung
the lecture
entweder
either
der Professor
the professor
das Seminar
the seminar
Questions & Answers about Der Professor bietet entweder ein Seminar oder eine Vorlesung an.
How does the phrase entweder ... oder work in this sentence?
It means "either ... or" and works just like in English to present two alternatives. Here, it connects two direct objects: ein Seminar and eine Vorlesung. Because it is simply connecting two nouns, it does not change the overall sentence structure or the position of the verb.
Why does the sentence end with the word an?
The verb used here is anbieten (to offer), which is a separable verb. In a standard main clause, the prefix an splits off and goes to the very end of the sentence, leaving the main part of the verb (bietet) in the second position.
Why do the two alternatives use different articles (ein vs. eine)?
Both nouns are in the accusative case because they are the direct objects being offered. However, they have different grammatical genders. Seminar is a neuter noun, so its accusative article is ein. Vorlesung is a feminine noun, so its accusative article is eine.
Could I put entweder at the beginning of this sentence?
Yes, you can start with entweder to emphasize the choice. If you do, it usually takes the first position in the sentence, meaning the verb must immediately follow it to stay in the second position: Entweder bietet der Professor ein Seminar oder eine Vorlesung an.
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