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German Grammar Formulae & Theorems Quick Reference | 德语语法公式定理速查手册

2026-07-18 18:59 · 本文部分内容由AI辅助创作

📚 German Grammar Formulae & Theorems Quick Reference | 德语语法公式定理速查手册

In Year 9 OCR German, building accurate sentences requires more than just vocabulary – it demands a solid grasp of grammatical patterns. This quick-reference handbook presents the essential grammar rules as ‘formulae’ and ‘theorems’. Instead of memorising long explanations, you can apply these reliable shortcuts to conjugate verbs, decline articles, and structure sentences correctly. Whether you are revising for an assessment or preparing for KS4, these rules will serve as your foundation.

在OCR九年级德语中,构建正确的句子不仅需要词汇,更需要扎实掌握语法规律。这本速查手册将核心语法规则以“公式”和“定理”的形式呈现。你不用死记冗长的解释,只需运用这些可靠的捷径,就能正确变位动词、变格冠词、组织句子。无论你是在准备评估还是为KS4打基础,这些规则都将成为你的基石。


1. Noun Gender Formula: Suffix Clues | 名词性别公式:后缀线索

While many German nouns must be learnt by heart, certain suffixes give a reliable indication of the gender. Treat these as a predictive formula: if a noun ends in one of these suffixes, it almost always belongs to the corresponding gender column. Applying this formula will save you time and improve your accuracy when using articles and adjectives.

虽然许多德语名词需要死记硬背,但某些后缀为性别提供了可靠的指示。将这些视为一个预测公式:如果一个名词以这些后缀之一结尾,它几乎永远属于相应的性别栏。应用这个公式可以节省时间,并提高你在使用冠词和形容词时的准确性。

Common suffix patterns are summarised below. Commit these to memory as your first theorem of noun gender.

常见后缀规律总结如下。牢牢记住它们,作为你名词性别的第一条定理。

Gender / 性别Typical suffixes / 典型后缀Examples / 示例
Masculine / 阳性-er, -ismus, -ling, -or, -antder Lehrer, der Tourismus, der Liebling, der Doktor, der Elefant
Feminine / 阴性-ung, -heit, -keit, -schaft, -ion, -tät, -e (70% of -e nouns)die Wohnung, die Freiheit, die Möglichkeit, die Freundschaft, die Aktion, die Universität, die Lampe
Neuter / 中性-chen, -lein, -um, -ment, -nis (often), -tum (if not masculine)das Mädchen, das Fräulein, das Zentrum, das Instrument, das Ergebnis, das Eigentum

This formula works for over 80% of nouns encountered in Year 9 topics like school, hobbies and home. However, exceptions exist, so always check a dictionary when you encounter a new word.

这个公式对九年级话题(如学校、爱好和家庭)中80%以上的名词都有效。不过总是存在例外,所以遇到新词时一定要查词典。


2. Definite Article Declension Theorem | 定冠词变格定理 (der, die, das)

The definite article must mirror the noun's gender, number and case. Think of the following table as a theorem that maps case to article form. Once you internalise this pattern, you will be able to construct prepositional phrases and direct/indirect objects correctly.

定冠词必须反映名词的性、数和格。将下表看作一个将格映射至冠词形式的定理。一旦你内化了这个模式,你就能正确构建介词短语和直接/间接宾语。

Learn the chart by rows: first Nominative, then Accusative, Dative and Genitive. The consistent patterns (e.g. masculine Accusative uses -en) will soon become automatic.

按行学习图表:先主格,然后宾格、与格、属格。一致的模式(例如阳性宾格用 -en)很快会变得自然。

Case / 格Masculine / 阳性Feminine / 阴性Neuter / 中性Plural / 复数
Nominative / 主格derdiedasdie
Accusative / 宾格dendiedasdie
Dative / 与格demderdemden
Genitive / 属格desderdesder

A quick theorem: the only dative plural article is 'den', and remember that in the dative, masculine and neuter share 'dem'. Use this table whenever you are unsure, especially after prepositions that require a specific case.

一条快速定理:唯一与格复数的冠词是“den”,记住在与格中,阳性和中性共用“dem”。每当你不确定的时候,尤其是在要求特定格的介词后面,都可以参考此表。


3. Indefinite and Negative Article Formulae | 不定冠词与否定冠词公式 (ein, kein)

The indefinite article 'ein' and the negative article 'kein' follow an almost identical declension pattern. They both signal the missing article in the plural. Mastering this formula gives you the ability to say 'a/an' and 'no/not a' accurately.

不定冠词“ein”和否定冠词“kein”遵循几乎相同的变格模式。它们在复数形式中都意味着冠词的缺失。掌握这个公式能让你准确表达“一个”和“没有/没有一个”。

Compare the tables below: the forms are the same except for the initial 'k-' in kein. For the plural, use 'keine' with the appropriate case ending.

比较下表:除了“kein”开头的“k-”以外,形式是相同的。复数则使用带有相应格词尾的“keine”。

CaseMasc. (ein/kein)Fem. (eine/keine)Neut. (ein/kein)Plural (keine)
Nominativeein / keineine / keineein / keinkeine
Accusativeeinen / keineneine / keineein / keinkeine
Dativeeinem / keinemeiner / keinereinem / keinemkeinen
Genitiveeines / keineseiner / keinereines / keineskeiner

Apply this theorem when saying 'I have no brother' (Ich habe keinen Bruder) or 'She is a friend' (Sie ist eine Freundin). The case is dictated by the verb or preposition.

当你说“我没有兄弟”(Ich habe keinen Bruder)或“她是一位朋友”(Sie ist eine Freundin)时,应用这个定理。格由动词或介词决定。


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4. Personal Pronoun Case Theorem | 人称代词变格定理

Personal pronouns change form depending on their role as subject, direct object or indirect object. Learn the following table as a set of fixed correspondences. This theorem will drastically reduce errors in speaking and writing.

人称代词根据其作为主语、直接宾语或间接宾语的角色变化形式。学习下表作为一组固定对应关系。这条定理将大幅减少口语和写作中的错误。

EnglishNominative (I)Accusative (me)Dative (to me)
I / you (singular informal)ich / dumich / dichmir / dir
he / she / iter / sie / esihn / sie / esihm / ihr / ihm
we / you (plural informal)wir / ihruns / euchuns / euch
they / you (formal)sie / Siesie / Sieihnen / Ihnen

A crucial theorem: after dative-only prepositions such as 'mit' or 'von', you must always use the dative pronoun form. Example: 'Kommst du mit mir?' (Are you coming with me?).

一条关键定理:在只支配与格的介词如“mit”或“von”之后,你必须始终使用与格代词形式。例如:“Kommst du mit mir?”(你跟我来吗?)


5. Present Tense Conjugation Formula | 现在时变位公式(规则动词)

Regular verbs in German follow a predictable conjugation formula: take the stem (infinitive minus -en) and add the personal ending. This formula works for about 90% of the verbs you meet in Year 9.

德语规则动词遵循可预测的变位公式:词干(不定式减 -en)+ 人称词尾。这个公式适用于九年级遇到的约90%的动词。

Stem = Infinitive − en | 词干 = 不定式 − en

PersonEndingspielen (to play)wohnen (to live)
ich-espielewohne
du-stspielstwohnst
er/sie/es-tspieltwohnt
wir-enspielenwohnen
ihr-tspieltwohnt
sie/Sie-enspielenwohnen

Stem-changing verbs are an important sub-theorem. Common patterns: e → i (e.g., 'du gibst' from geben), a → ä (e.g., 'er fährt' from fahren). These only affect the du and er/sie/es forms.

变音动词是一条重要的子定理。常见模式:e → i(例如“du gibst”来自geben),a → ä(例如“er fährt”来自fahren)。这些变化只影响“du”和“er/sie/es”形式。

The verbs 'sein' and 'haben' are irregular but must be memorised as core formulae: ich bin, du bist, er ist; ich habe, du hast, er hat. Use these as a fixed block.

动词“sein”和“haben”是不规则的,但必须作为核心公式记住:ich bin, du bist, er ist; ich habe, du hast, er hat。把它们当作固定模块使用。


6. The Verb-Second (V2) Rule Theorem | 动词第二位规则定理

In German main clauses, the conjugated verb must be the second element. This is the most important word-order theorem you will learn. The first element can be the subject, an object, an adverb or a whole clause – but the verb stays in position 2.

在德语主句中,变位动词必须是第二个成分。这是你将学到的最重要的语序定理。第一个成分可以是主语、宾语、副词或一整个从句——但动词保持在第二位。

Test this theorem: 'Ich spiele morgen Tennis.' (I play tennis tomorrow.) → 'Morgen spiele ich Tennis.' (Tomorrow I play tennis.) Notice the subject 'ich' moves after the verb to keep the verb second. This inversion is a non-negotiable rule.

验证这条定理:“Ich spiele morgen Tennis.”(我明天打网球)→ “Morgen spiele ich Tennis.”(明天我打网球)。注意主语“ich”移到动词之后,以保证动词在第二位。这种倒装是一条不可协商的规则。

When using time phrases like 'jeden Tag' or 'am Wochenende', always apply the V2 theorem. Start with the time phrase and then swap the subject and verb: 'Jeden Tag gehe ich zur Schule.'

使用像“jeden Tag”或“am Wochenende”这样的时间短语时,始终应用V2定理。以时间短语开头,然后交换主语和动词:“Jeden Tag gehe ich zur Schule.”


7. Separable Verb Prefix Theorem | 可分动词前缀定理

Separable verbs (trennbare Verben) consist of a prefix and a base verb. The theorem: in a main clause, the prefix is detached and placed at the end of the clause, while the conjugated stem occupies the V2 position.

可分动词由前缀和基础动词构成。定理:在主句中,前缀分离并置于句尾,而变位后的词干占据V2位置。

Common prefixes: an-, auf-, aus-, ein-, fern-, mit-, vor-, zu-. For example, 'anfangen' (to start): 'Ich fange mit der Arbeit an.' The formula is [Subject + conjugated stem ... prefix]. Always treat the infinitive as a unit and separate it when you construct the sentence.

常见前缀:an-, auf-, aus-, ein-, fern-, mit-, vor-, zu-。例如,“anfangen”(开始):“Ich fange mit der Arbeit an.” 公式为 [主语 + 变位词干 ... 前缀]。始终把不定式视为一个整体,在构句时分离它。

When using a modal verb, the separable verb stays in the infinitive and does not separate: 'Ich will anfangen.' Learn this exception as a corollary.

当使用情态动词时,可分动词保持不定式形式,不分离:“Ich will anfangen.” 把这个例外作为推论来学习。


8. Modal Verb and Double Infinitive Formula | 情态动词与双不定式公式

Modal verbs (können, müssen, wollen, sollen, dürfen, mögen) modify the meaning of a main verb. The structural formula is: conjugated modal verb in V2 position + main verb infinitive at the very end of the clause.

情态动词(können, müssen, wollen, sollen, dürfen, mögen)修饰主动词的含义。结构公式为:变位的情态动词在V2位置 + 主动词不定式在句子的最末尾。

Conjugation of modals has its own pattern: singular forms often change the vowel (ich kann, du kannst, er kann), while the plural uses the original stem (wir können, ihr könnt, sie können). Learn the chart as a self-contained theorem.

情态动词的变位有自己的模式:单数形式经常变音(ich kann, du kannst

Published by TutorHao | Year 9 德语 Revision Series | aleveler.com

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