PolyglotGym
CourseGrammarWords
LoginCreate Account
CourseGrammarWords

More

LibraryCommunity

Interface Language

Create AccountLogin
PolyglotGym
All languagesCoursesGrammar

Get the App

Download on theApp StoreGET IT ONGoogle Play
PolyglotGym

Learn German online with interactive courses, vocabulary trainer, and more.

Learn

  • All languages
  • Courses
  • Grammar
  • Words
  • Align Vocabulary

Community

  • Library
  • Forum
  • Clubs

Get the App

Learn on the go

Download on theApp StoreGET IT ONGoogle Play

© 2026 PolyglotGym. All rights reserved

Privacy PolicyTerms of Service

CourseGrammarWords
  1. Home
  2. ›Grammar
  3. ›A2
  4. ›N-Deklination
NounsA2

N-Deklination

Masculine nouns that add -(e)n in all cases except nominative singular

Learning Goal

Can decline weak masculine nouns in all cases

Exam Skills:ReadingWriting

Look at these examples. Can you spot the grammar pattern?

Ich kenne den Studenten gut.

I know the student well.

Der Arzt hilft dem Patienten.

The doctor helps the patient.

Können Sie dem Herrn helfen?

Can you help the gentleman?

Der Junge spielt mit dem Nachbarn.

The boy plays with the neighbor.

Pay attention to the highlighted parts. What do they have in common?

A group of masculine nouns adds -(e)n in every case except nominative singular.

StandardN-Deklination
Nom.der Studentder Student
Akk.den Studentden Studenten
Dat.dem Studentdem Studenten
Gen.des Studentsdes Studenten

Which nouns? Masculine ending in -e (people/animals): der Junge, der Kollege, der Kunde. Foreign: -ant, -ent, -ist, -at, -oge: der Student, der Patient, der Tourist. Plus: der Herr (→Herrn), der Mensch, der Nachbar.

Exception: der Name, der Buchstabe, der Gedanke add -n but -ns in genitive.

Apply this grammar in A2 course exercises

Practice Exercises
  • Forgetting -en in acc.: ✗ den Student → ✓ den Studenten.
  • Applying to non-N nouns: Freund is NOT N-declension.
  • Herr → Herrn: ✗ für den Herr → ✓ für den Herrn.

Common Error Patterns

Wrong grammatical gender assigned to noun

Learn nouns with their articles (der/die/das) from the start

Incorrect plural ending or umlaut

Review the 5 plural patterns: -e, -er, -en, -s, and no change

Wrong case ending on noun or article

Practice case tables and identify subject/object/indirect object in sentences

Ich kenne den Studenten gut.

I know the student well.

Acc.: der Student → den Studenten.

Der Arzt hilft dem Patienten.

The doctor helps the patient.

Dat.: der Patient → dem Patienten.

Können Sie dem Herrn helfen?

Can you help the gentleman?

Der Herr → dem Herrn (only -n).

Der Junge spielt mit dem Nachbarn.

The boy plays with the neighbor.

Dat.: der Nachbar → dem Nachbarn.

Practice in course

Apply this grammar in A2 course exercises

A2 Course
← Back to topics

Frequently asked questions

When is N-Deklination used?
A group of masculine nouns adds -(e)n in every case except nominative singular.
How is N-Deklination formed?
Which nouns? Masculine ending in -e (people/animals): der Junge, der Kollege, der Kunde . Foreign: -ant, -ent, -ist, -at, -oge : der Student, der Patient, der Tourist . Plus: der Herr (→Herrn), der Mensch, der Nachbar . Exception: der Name, der Buchstabe, der Gedanke add -n but -ns in genitive.
What are common mistakes with N-Deklination?
Forgetting -en in acc.: ✗ den Student → ✓ den Student en . Applying to non-N nouns: Freund is NOT N-declension. Herr → Herrn: ✗ für den Herr → ✓ für den Herrn .

Related grammar topics

  • Akkusativ vollständig
  • Dativ vollständig
  • Pluralbildung
  • Berufe ohne Artikel