Der Bahnhof ist größer als die Haltestelle, aber die U‑Bahn ist oft schneller.

Breakdown of Der Bahnhof ist größer als die Haltestelle, aber die U‑Bahn ist oft schneller.

sein
to be
groß
big
oft
often
aber
but
schnell
fast
der Bahnhof
the train station
die U‑Bahn
the subway
die Haltestelle
the stop
als
than

Questions & Answers about Der Bahnhof ist größer als die Haltestelle, aber die U‑Bahn ist oft schneller.

What are the genders of the nouns Bahnhof, Haltestelle, and U‑Bahn in this sentence?

Bahnhof is masculine – der Bahnhof.
Haltestelle is feminine – die Haltestelle.
U‑Bahn is also feminine – die U‑Bahn.
In German every noun has a fixed gender, and you must learn each noun together with its article.

How is the comparative form größer derived from the adjective groß?

To form the comparative of groß, you:

  1. Add -ergroß
    • -er = großer
  2. Umlaut the vowel ogroßergrößer
    This is a regular pattern for one‑syllable adjectives (and many two‑syllable ones) with an a, o or u.
Why does the sentence use als after the comparative größer, not wie?

Standard German comparative constructions pair größer with als (not wie).
Incorrect: größer wie die Haltestelle
Correct: größer als die Haltestelle
(Some dialects use wie, but in written and formal German you should use als.)

Can you omit the article before Haltestelle in the comparison (i.e. say größer als Haltestelle)?

No. When you compare two nouns, each keeps its article:
Der Bahnhof ist größer als die Haltestelle.
Omitting the article would sound ungrammatical. (With pronouns, of course, you replace the article by the appropriate pronoun.)

What is the function of aber, and how does it affect word order?

aber is a coordinating conjunction meaning “but.”
• It connects two main clauses without changing their internal verb–subject order.
• After aber, you still follow the pattern Conjunction + Subject + Verb:
aber die U‑Bahn ist oft schneller
If you used a subordinating conjunction (like weil), it would send the verb to the end.

Where does the adverb oft (‘often’) go, and why is it placed before schneller?

In German main clauses, frequency adverbs like oft typically occupy the “Mittelfeld,” often immediately before the predicate adjective or verb:
die U‑Bahn ist oft schneller
If you moved oft elsewhere (e.g. after schneller), it would sound awkward or unnatural.

Why is U‑Bahn hyphenated and capitalized?

U‑Bahn is short for Untergrundbahn (“underground railway”).
• Abbreviations of this kind in German frequently use a hyphen after a single letter.
• All German nouns (including abbreviations that function as nouns) are capitalized.

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How do German cases work?
German has four grammatical cases: nominative (subject), accusative (direct object), dative (indirect object), and genitive (possession). The case determines the form of articles and adjectives. For example, "the dog" is "der Hund" as a subject but "den Hund" as a direct object.

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