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Bitte helfen Sie mit Deutsch Grammatik!

In the sentence "Hans ist so groß wie sein Bruder", why is sein not the akkusative seinen? I thought Bruder would be the subject of the sentence and hence akk?

And my other question is the following: Why is Wen besuchen Sie in der Stadt akkusative and why is Wem gibst du das Glas dative? I understand the difference between Wen and Wem, but I can't figure out why the respective sentences are made akk vs dative!

Vielen Dank!

April 19, 2013



"Hans ist so groß / wie sein Bruder (ist). Dividing the Phrase and adding the missing verb shows you, that both Hans and Bruder are subjects > Nominativ. "Wen besuchen Sie?" "wen" is the object of the phrase, so it is Akkusativ. "Wem gibst du das Glas?" "du" = subject (nom), "das Glas" = object (acc) and "wem" is indirect object >> Dativ (to whom). Together: SUBject = Nominativ, OBject = Akkusativ, INDIRECT Object = Dativ


Danke schön, that makes it so clear. Much appreciated.

If you wouldn't mind and have the time (or if anyone else reading this knows!), can you please explain why the sentence below is considered dative? While I have read over and over again the definitions for dative sentences, know the theory behind the dative verbs and two-way prepositions etc, sentences like this really stump me...

(Are there a lot of books in your library?) Gibt es viele Bücher in deinER Bibliothek? ie why is the ending of deiner, a dative ER?

Danke sehr!


My explanation is perhaps more practical. Think of the situation consisting of boxes. In this case a house is a collection of boxes. One box is the corridor, one box is the library, one box the drawingroom etc. Going from the corridor INTO the library this group of two-way prepositions give the accusative >> (Ich gehe von dem Korridor in die Bibliothek). Bookcases are IN the library, which gives the dative: (Die Bücherschränke stehen in der Bibliothek). Normally all the two-way prepositions are collected in one group. Divide it in two: "auf" and "über" If it stays in the box: use dative, in all other situations use Akkusative. "in, an, hinter, neben, unter, vor, zwischen" if it moves from one box to another: use accusative, in all other situations use dative. By asking yourself the opposite question in each group you will easily find the right case.

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