Gute Fitness ist wichtig, wenn man schnell laufen will.

Breakdown of Gute Fitness ist wichtig, wenn man schnell laufen will.

sein
to be
schnell
fast
gut
good
laufen
to run
wenn
if
wichtig
important
wollen
to want
die Fitness
the fitness
man
you

Questions & Answers about Gute Fitness ist wichtig, wenn man schnell laufen will.

Why is there no article before Fitness?
In German, abstract concepts and borrowed nouns like Fitness can stand without an article when speaking about them in general. Saying Gute Fitness refers to fitness as a general quality, so no definite or indefinite article is needed.
Why does Gute have an –e ending?
Because Fitness is a feminine noun in the nominative case and it’s used without an article, the adjective takes the strong declension pattern. For feminine nominative strong declension, you add –e, giving Gute Fitness.
How do we know Fitness is feminine?
Every German noun has grammatical gender. Although Fitness is borrowed from English, it’s assigned feminine gender (die Fitness) by convention. You simply memorize that it’s feminine.
Why is ist in the second position and wichtig after it?
In German main clauses, the finite verb always occupies the second position. Here, Gute Fitness is the first element, so ist (the finite form of sein) comes next, followed by the adjective wichtig to complete the predicate.
Why do we use wenn instead of um … zu?
Wenn introduces a conditional clause, meaning “if.” Um … zu expresses purpose (“in order to”). The sentence means “if one wants to run fast,” so a conditional connector (wenn) is appropriate rather than a purpose clause.
What role does man play in this sentence?
Man is the impersonal pronoun in German, equivalent to English “one” or “you” in general statements. It makes the sentence universally applicable, rather than addressing a specific person.
Why is will at the end of the clause and laufen right before it?
In subordinate clauses introduced by wenn, the finite verb moves to the final position. With a modal verb, the finite modal (will) goes last, and the main verb (laufen) stays in the infinitive just before it, forming the verb cluster laufen will.
Can we replace man with du? If so, what changes?

Yes. If you want to address someone directly, use du (informal singular). The verb ending must then agree with du:
Gute Fitness ist wichtig, wenn du schnell laufen willst.
Here willst replaces will, matching the second person singular.

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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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