B1 · 中級
チャプター 49
Adjective Declension and Participial Descriptions
6
トータルルール
64
例文
9
分
Chapter in 30 Seconds
Elevate your descriptions by mastering advanced adjective declension and powerful participial modifiers.
- Apply mixed declension endings to adjectives correctly.
- Transform verbs into descriptive adjectives using Partizip I and II.
- Compare actions and states with advanced adverbial forms.
Master the art of descriptive German.
学べること
Master mixed declension endings and use participles (Partizip I and II) as adjectives.
-
形容詞の語尾：混合変化 (ein, mein, kein の後)「ein」グループの言葉の後は、冠詞が性別を隠している時に形容詞が
-er«-e»-esで助けてあげると覚えましょう。 -
viele や einige の後の形容詞の変化vieleやeinigeの後は、形容詞も代名詞と同じ語尾にする「ミラー（鏡）ルール」が基本です。
viele,einige,wenige,mehrereがこの仲間のキーワードです。 -
動作を説明する：現在分詞 (Partizip I)動詞の語尾に «-d» をプラスして形容詞にするだけ！名詞の前に置くときは «格変化の語尾» を忘れずに付けようね。
-
もっと速く・一番良く：副詞の比較級と最上級 (-er, am -sten)2つのものを比べる時は
-er+alsを使い、ナンバーワンを言う時はam ...-stenを使うのが基本のルールです！ -
ドイツ語の最上級：「am ...-sten」の形（一番～）文の最後で「一番〜」と言いたい時は、魔法の言葉
am ...-stenを使いましょう。性別変化がないので、パッと言いやすい便利な形ですよ！ -
形容詞としての過去分詞：完了した状態の説明 (Partizip II)動詞の過去分詞（Partizip II）をそのまま「形容詞」として使って、「〜された」「〜し終わった」という「結果の状態」を表現できます。
gekauftやverlorenのような単語に、普通の形容詞と同じ「語尾変化」をつけるのがポイントです！
Learning Objectives
By the end of this chapter, you will be able to:
-
1
By the end you will be able to: Describe objects and people using complex participial phrases and accurate adjective endings.
チャプターガイド
Overview
Welcome to a crucial chapter in your German language journey! This section delves into the intricacies of adjective declension, specifically the mixed declension, and introduces you to the versatile world of participles as adjectives. Mastering these topics is essential for expressing yourself with greater precision and for sounding more like a native speaker.
You'll learn how to correctly form adjective endings after determiners like 'ein' and 'mein', and how to use quantifiers like 'viele' and 'einige' with adjectives.
Moreover, this chapter will equip you with the tools to describe ongoing actions using the Partizip I and completed actions or states with the Partizip II, integrating them smoothly into your sentences as adjectives. We will also refine your ability to compare actions and qualities by reviewing the comparative and superlative forms for adverbs, focusing on the highly common 'am ...-sten' structure.
By the end of this chapter, you will be able to construct grammatically correct and nuanced sentences, transforming simple descriptions into rich, expressive statements. This knowledge will significantly boost your confidence in B1-level conversations, allowing you to articulate ideas about people, objects, and situations with much greater accuracy.
How This Grammar Works
Let's explore the mechanics of these grammatical structures with practical examples.
Adjective Endings: Mixed Declension (after ein, mein, kein)
Mixed declension occurs when an adjective follows an indefinite article (*ein, eine*) or a possessive adjective (*mein, dein, sein,* etc.) or *kein*. The determiner itself often lacks a clear case ending (like *ein* in nominative masculine/neuter singular), so the adjective has to
fill in the missing information. In other cases, the determiner already shows the case, and the adjective takes an *-en* ending.* Nominativ Singular:
* Maskulin: *ein guter Freund* (a good friend)
* Feminin: *meine neue Tasche* (my new bag)
* Neutral: *kein großes Haus* (no big house)
* Akkusativ Singular:
* Maskulin: *Ich habe einen schönen Hund.* (I have a beautiful dog.)
* Feminin: *Du siehst deine alte Jacke.* (You see your old jacket.)
* Neutral: *Wir kaufen ein interessantes Buch.* (We buy an interesting book.)
* Dativ Singular:
* Maskulin: *Mit meinem neuen Handy.* (With my new cell phone.)
* Feminin: *Ich spreche mit meiner netten Kollegin.* (I speak with my nice colleague.)
* Neutral: *Nach einem langen Tag.* (After a long day.)
* Plural (all cases): After an 'ein-word' (which is technically not possible in plural, as 'ein' means 'a/an'), the adjective ending is always -en if there's no definite article-like word. However, if there are plural possessive adjectives (like *meine, deine* etc.), then the adjective takes the weak declension (e.g., *meine neuen Freunde*). For clarity, focus on the singular forms here as the prompt emphasizes 'ein', 'mein', 'kein'.
German Adjectives after 'viele' and 'einige'
When adjectives follow the quantifiers 'viele' (many) or 'einige' (some), they behave like strong adjectives. This means they take endings similar to those after no article at all, indicating case and number. Since 'viele' and 'einige' are always plural, you'll see plural strong endings.
* *Ich sehe viele kleine Kinder.* (I see many small children.)
* *Du hast einige gute Ideen.* (You have some good ideas.)
* *Mit einigen interessanten Leuten.* (With some interesting people.)
Describing Actions: Participle I (Partizip I)
The Partizip I (present participle) describes an ongoing action. It's formed by adding *-d* to the infinitive of the verb (*lachen* -> *lachend*). When used as an adjective, it is declined like a regular adjective.
* *Das lachende Kind* (The laughing child) – *Das Kind lacht.* (The child laughs.)
* *Der singende Vogel* (The singing bird) – *Der Vogel singt.* (The bird sings.)
* *Die schnell fahrende Bahn* (The fast-moving train) – *Die Bahn fährt schnell.* (The train moves fast.)
Faster & Best: Comparing Adverbs (-er, am -sten)
To compare adverbs, you use the suffix *-er* for the comparative form and *am ...-sten* for the superlative form. These are fixed adverbial forms, not declined.
* *schnell* (fast) – *schneller (faster) – *am schnellsten (fastest)
* *Du läufst schnell.* (You run fast.)
* *Ich laufe schneller als du.* (I run faster than you.)
* *Er läuft am schnellsten.* (He runs the fastest.)
* *gut* (good/well) – *besser* (better) – *am besten* (best)
* *Du sprichst gut Deutsch.* (You speak German well.)
* *Deine Freundin spricht besser Deutsch.* (Your friend speaks German better.)
* *Mein Lehrer spricht am besten Deutsch.* (My teacher speaks German best.)
German Superlative: The 'am ...-sten' Form
This form is specifically used for adverbial superlatives, meaning it describes *how* an action is performed, rather than describing a noun. It is always preceded by *am*.
* *Sie arbeitet fleißig, aber ich arbeite am fleißigsten.* (She works diligently, but I work the most diligently.)
* *Wer schläft am längsten?* (Who sleeps the longest?)
Past Participle as Adjective: Describing Results (Partizip II)
The Partizip II (past participle) describes a completed action or a resulting state. It's formed differently for strong and weak verbs (e.g., *gekauft*, *geschrieben*). When used as an adjective, it is declined just like any other adjective.
* *Das gekochte Ei* (The cooked egg) – *Das Ei wurde gekocht.* (The egg was cooked.)
* *Der geschriebene Brief* (The written letter) – *Der Brief wurde geschrieben.* (The letter was written.)
* *Die verlorenen Schlüssel* (The lost keys) – *Die Schlüssel wurden verloren.* (The keys were lost.)
Common Mistakes
✗ ein guter Buch
✓ ein gutes Buch
Why: *Buch* is neuter, so the nominative singular adjective after 'ein' takes the *-es* ending.
✗ viele interessante Bücher
✓ viele interessante Bücher
Why: Adjectives after 'viele' and 'einige' take strong declension plural endings. In nominative/accusative plural, this is *-e*. My mistake here was making the example *correct* but stating it was wrong. Let me fix.
✗ viele interessanten Bücher
✓ viele interessante Bücher
Why: Adjectives after 'viele' and 'einige' take strong declension plural endings. In nominative/accusative plural, this is *-e*, not *-en*.
✗ das lachend Kind
✓ das lachende Kind
Why: Participles used as adjectives must be declined according to their case, gender, and number. Here, nominative neuter after a definite article takes *-e*.
✗ Er fährt am schneller.
✓ Er fährt am schnellsten.
Why: For the adverbial superlative, you need the *am ...-sten* construction, not just the comparative.
✗ der gekauft Buch
✓ das gekaufte Buch
Why: *Buch* is neuter and the past participle used as an adjective must be declined (here, nominative neuter after the definite article takes *-e*).
Real Conversations
A
A
Hast du mein neues Handy gesehen? Ich kann es nicht finden.
B
B
Dein blaues? Ich glaube, es liegt auf dem großen Tisch im Wohnzimmer.
A
A
Ach ja, stimmt! Ich bin oft so vergesslich. Vielen Dank!
Translation:
A
A
Have you seen my new cell phone? I can't find it.
B
B
Your blue one? I think it's on the big table in the living room.
A
A
Oh yes, that's right! I'm often so forgetful. Many thanks!
A
A
Der weinende Junge hat sein Spielzeug verloren. Ich habe versucht, ihn zu trösten.
B
B
Das tut mir leid. Konntest du ihm helfen? Ist es das rote Auto, das ich vorhin gesehen habe?
A
A
Ja, das verlorene Spielzeug war sein kleines rotes Auto. Er hat es jetzt wieder und ist das glücklichste Kind hier.
Translation:
A
A
The crying boy lost his toy. I tried to comfort him.
B
B
I'm sorry to hear that. Could you help him? Is it the red car I saw earlier?
A
A
Yes, the lost toy was his small red car. He has it back now and is the happiest child here.
A
A
Ich finde, du sprichst schon viel besser Deutsch als letzte Woche.
B
B
Danke! Ich übe auch am fleißigsten in meiner Gruppe. Meine Lehrerin meint, ich mache viele gute Fortschritte.
A
A
Das merkt man. Bald kannst du mit einigen deutschen Freunden ohne Probleme reden.
Translation:
A
A
I think you already speak German much better than last week.
B
B
Thanks! I also practice the most diligently in my group. My teacher thinks I'm making many good strides.
A
A
You can tell. Soon you'll be able to talk with some German friends without problems.
Quick FAQ
Q
What's the main difference between mixed declension and weak/strong declension?
Mixed declension happens after 'ein' words (like *ein, mein, kein*) where the adjective takes specific endings, often to clarify the case when the 'ein' word itself doesn't. Weak declension is after 'der' words (definite articles), and strong declension is when there's no article or 'ein' word at all.
Q
When should I use Partizip I (e.g., *lachend*) versus Partizip II (e.g., *gekocht*) as an adjective?
Use Partizip I to describe an ongoing or active process (*das lachende Baby* - the laughing baby). Use Partizip II to describe a completed action or a resulting state, often implying a passive sense (*das gekochte Ei* - the cooked egg).
Q
Is the 'am ...-sten' form always for adverbs?
Yes, in this specific construction, 'am ...-sten' always functions as an adverbial superlative, modifying a verb (e.g., *Er läuft am schnellsten* – He runs the fastest). If you want to describe a noun with a superlative (e.g., the fastest car), you'd use a different form of adjective declension (*der schnellste Wagen*).
Q
Do adjectives after 'viele' and 'einige' always take the same ending?
No, adjectives after 'viele' and 'einige' take strong declension endings, which vary based on case. For instance, in nominative and accusative plural, they take '-e' (*viele schöne Blumen*), but in dative plural, they take '-en' (*mit vielen schönen Blumen*).
Cultural Context
Precision in language is highly valued in German-speaking cultures, and a correct understanding of adjective declension and participial structures is a cornerstone of this linguistic accuracy. The ability to correctly decline adjectives and use participles as descriptors demonstrates a speaker's command of the language, leading to clearer, unambiguous communication. Unlike English, where adjective forms remain mostly unchanged, German grammar requires careful attention to detail, reflecting a broader cultural appreciation for order and thoroughness.
Mastering these grammatical nuances isn't just about passing an exam; it's about integrating into a linguistic system that prioritizes exactness. When you use *mein kleines Auto* instead of *mein kleiner Auto*, you're not just being grammatically correct; you're communicating with the expected level of linguistic care. Similarly, distinguishing between a *laufendes Projekt* (an ongoing project) and an *abgeschlossenes Projekt* (a completed project) allows for efficient and precise information exchange, a trait often appreciated in German professional and daily life.
重要な例文 (4)
1
Ich habe viele neue Nachrichten auf WhatsApp.
WhatsAppにたくさんの新しいメッセージが入っています。
viele や einige の後の形容詞の変化
2
Einige interessante Dokus laufen auf Netflix.
Netflixでいくつか面白いドキュメンタリーが配信されています。
viele や einige の後の形容詞の変化
3
Mein {Internet|n} ist heute langsamer als gestern.
今日のネット、昨日より遅いんだよね。
もっと速く・一番良く：副詞の比較級と最上級 (-er, am -sten)
4
ヒントとコツ (4)
🎯
3格（与格）は超カンタン！
3格で「ein」グループが来たら、性別に関係なく形容詞の語尾は常に
frontend.learn_grammar.from_rule: 形容詞の語尾：混合変化 (ein, mein, kein の後)
-en になります。 Ich antworte meinem netten Lehrer.
💡
ミラー（鏡）ルール
vieleの語尾を形容詞がそのまま真似すると覚えましょう。'viel-E' なら 'gut-E'、'viel-EN' なら 'gut-EN' です。
frontend.learn_grammar.from_rule: viele や einige の後の形容詞の変化
viele gute Filme
⚠️
進行形とは違うよ！
英語の ing 形と似ているけど、
frontend.learn_grammar.from_rule: 動作を説明する：現在分詞 (Partizip I)
Ich bin gehend（私は歩いているところです）のようには使わないよ。進行中の動作は普通の現在形で Ich gehe と言おう。
🎯
SNSで使える一言
何かが「最高！」と言いたい時は、コメント欄に一言こう書くだけでOKです：
frontend.learn_grammar.from_rule: もっと速く・一番良く：副詞の比較級と最上級 (-er, am -sten)
Am besten! これだけで完璧なドイツ語になります。重要な語彙 (5)
das Ereignis
event
aufregend
exciting
gelungen
successful
schneller
faster
am besten
best
Real-World Preview
calendar
Planning an event
Review Summary
- ein/mein/kein + Adj + Endung
- Verb + -end
- ge- + Verb + -t/-en
よくある間違い
Mixed declension requires the 'es' ending for neuter nominative.
Wrong:
Ein schön Haus.
正解:
Ein schönes Haus.
Participle I needs the adjective ending 'e' for feminine nominative.
Wrong:
Die lachend Frau.
正解:
Die lachende Frau.
Superlative requires the -sten suffix.
Wrong:
Das ist am schnell.
正解:
Das ist am schnellsten.
このチャプターのルール (6)
Next Steps
You have done an amazing job reaching the end of B1! Keep practicing and stay curious.
Write a short story using participial adjectives.
クイック練習 (10)
間違いを見つけて修正してください。
Ich habe eine gut Idee.
✓ Correct!
✗ Not quite. Correct answer: Ich habe eine gute Idee.
名詞
Idee は女性名詞です。 eine の後の形容詞は «-e» で終わる必要があります。frontend.learn_grammar.from_rule: 形容詞の語尾：混合変化 (ein, mein, kein の後)
正しい形を選んで文章を完成させてください。
Dein Handy ist ___ (older) als meins.
✓ Correct!
✗ Not quite. Correct answer: älter
2つのもの（君のスマホと僕のスマホ）を比べているので比較級（-er）を使います。
alt はウムラウトが付いて älter になります。frontend.learn_grammar.from_rule: もっと速く・一番良く：副詞の比較級と最上級 (-er, am -sten)
正しいドイツ語を選んでください。
「青い車が一番速いです」をドイツ語にすると？
✓ Correct!
✗ Not quite. Correct answer: Das blaue Auto ist am schnellsten.
「am + 形容詞 + -sten」の形が正解です。他の選択肢は冠詞や語尾が間違っています。
frontend.learn_grammar.from_rule: ドイツ語の最上級：「am ...-sten」の形（一番～）
正しい文を選んでください。
正しいドイツ語の文を選ぼう：
✓ Correct!
✗ Not quite. Correct answer: Mein neuer Laptop ist sehr teuer.
名詞
Laptop は男性名詞で1格です。 mein の後には男性1格を示す -er が必要です。frontend.learn_grammar.from_rule: 形容詞の語尾：混合変化 (ein, mein, kein の後)
正しいドイツ語の文章はどれでしょう？
「私は水の方を好んで飲みます」の正しい訳は？
✓ Correct!
✗ Not quite. Correct answer: Ich trinke lieber Wasser.
「〜の方を好む」は
gern の比較級である lieber を使って表現します。 mehr は単に量が多いことを指します。frontend.learn_grammar.from_rule: もっと速く・一番良く：副詞の比較級と最上級 (-er, am -sten)
正しい形容詞の語尾を選んで空欄を埋めてください。
Das ist ein ___ (alt) Auto.
✓ Correct!
✗ Not quite. Correct answer: altes
名詞
Auto は中性で、ここでは1格（主格）です。 ein の後なので、中性を示す -es が正解です。frontend.learn_grammar.from_rule: 形容詞の語尾：混合変化 (ein, mein, kein の後)
正しい形容詞の語尾を埋めてください。
Ich habe heute viele schön___ Fotos gemacht.
✓ Correct!
✗ Not quite. Correct answer: e
対格複数で 'viele' の後なので、形容詞は強い語尾の -e を取ります。
frontend.learn_grammar.from_rule: viele や einige の後の形容詞の変化
間違いを見つけて直しましょう。
Find and fix the mistake:
Im Sommer ist es in Spanien am heißten.
✓ Correct!
✗ Not quite. Correct answer: Im Sommer ist es in Spanien am heißesten.
語尾が -ß (heiß) の場合、発音をスムーズにするために e を入れて
-esten にします。frontend.learn_grammar.from_rule: ドイツ語の最上級：「am ...-sten」の形（一番～）
間違いを見つけて直してください。
Find and fix the mistake:
Er hat einige neuen Apps heruntergeladen.
✓ Correct!
✗ Not quite. Correct answer: Er hat einige neue Apps heruntergeladen.
対格複数の 'einige' の後は、形容詞の語尾は -en ではなく -e になります。
frontend.learn_grammar.from_rule: viele や einige の後の形容詞の変化
正しい最上級の形を書きましょう。
Dieser Film ist ___ (lustig).
✓ Correct!
✗ Not quite. Correct answer: am lustigsten
形容詞が文末で状態を説明しているので、
am ...-sten の形を使います。frontend.learn_grammar.from_rule: ドイツ語の最上級：「am ...-sten」の形（一番～）
Score: /10
よくある質問 (6)
不定冠詞の
ein、否定の kein、そして mein, dein, sein, ihr, unser, euerなどの所有冠詞すべてが含まれます。
Mein alter Freund のように、全部同じルールで変化しますよ。1格の
ein は男性か中性か区別がつきません。そこで形容詞が ein neues Buch のように -es をつけて「これは中性だよ！」と教えてくれるんです。'viele' は強い変化を促すからです。複数形の1格と4格では、強い語尾は -e になります。
viele neue Fotos のように語尾を揃えましょう。はい！ 'andere' も 'viele' と全く同じです。
andere gute Ideen（他の良いアイデア）のように並列で強い語尾を使います。動詞の語尾に「-d」をつけた形で、名詞を詳しく説明する形容詞として働くよ。
Das fließende Wasser.
動詞としての活用ではなく、形容詞として格変化させるんだ。
Ein singender Mann のように語尾をつけるよ。
