A1 Lesson 21 — Adjective Endings: The Final Piece of A1 Grammar

ADJECTIVE ENDINGS

The Final Piece of A1 Grammar

Why "der rote Apfel" but "ein roter Apfel"? Adjective endings, decoded.

Colorful fruit at a market stall, representing descriptive adjectives

Why this matters: German adjectives change their ending depending on gender, case, and whether there's an article in front of them. It's the topic that trips up almost every learner — but the pattern is more logical than it looks once you see it laid out in two tables, and it ties together everything you've learned about gender (Lesson 9) and case (Lesson 10) so far.

Why Adjectives Change At All

When an adjective describes a noun directly and sits after a form of sein (to be), it takes no ending: Der Apfel ist rot. (The apple is red.) But the moment that same adjective moves in front of the noun, it needs an ending: der rote Apfel (the red apple). The ending itself depends on which article comes before the adjective.

With the Definite Article (der/die/das)

Since der, die, and das already show you the gender and case, the adjective's job is smaller here — mostly just -e or -en.

CaseMasculineFeminineNeuter
Nominativeder rote Apfeldie rote Taschedas rote Auto
Accusativeden roten Apfeldie rote Taschedas rote Auto

Pattern: it's -e everywhere except masculine accusative, which takes -en (matching the den you already learned in Lesson 10).

With the Indefinite Article (ein/eine)

Ein doesn't always show gender as clearly — ein by itself could be masculine or neuter. So here the adjective has to "help out" and carry the gender signal, especially in the nominative.

CaseMasculineFeminineNeuter
Nominativeein roter Apfeleine rote Tascheein rotes Auto
Accusativeeinen roten Apfeleine rote Tascheein rotes Auto

Real Talk: notice that roter (masculine nominative) and rotes (neuter nominative) are doing extra work — they're carrying the gender information that ein alone doesn't give you. Once you're past that nominative masculine/neuter case, endings settle back into the same -e / -en pattern as with der/die/das. Don't try to memorize every cell at once: learn the pattern for one gender at a time, starting with whichever one you use most.

📥 Download Your Lesson 21 PDF

Adjective ending flashcards, the definite-vs-indefinite article comparison chart, and 4 practice exercises with an answer key — enter your email and it lands in your inbox instantly.

📖 What's Next:

That wraps up this batch of A1 lessons! You've now covered the full core of A1 German grammar — from greetings and articles all the way through cases, the Perfekt tense, prepositions, commands, and adjective endings. More lessons building toward A2 are coming soon, so check back or browse the full index below.

Related Posts

→ A1 Lesson 20: Imperative Mood

→ A1 Lesson 19: Two-Way Prepositions

→ See All German A1 Lessons

Comments