Questions & Answers about Der Kasus in diesem Satz ist leicht zu erkennen.
Because Kasus is a masculine noun in German. In the nominative singular, masculine nouns normally take the article der, so:
- der Kasus = nominative
- den Kasus = accusative
- dem Kasus = dative
- des Kasus = genitive
In this sentence, der Kasus is the subject, so nominative is the correct case.
The subject is der Kasus.
You can test this by asking What is easy to recognize?
Answer: The case.
So the basic structure is:
- Der Kasus = subject
- ist = finite verb
- leicht zu erkennen = predicate
- in diesem Satz = prepositional phrase giving context