📚 Year 9 WJEC English: Formula & Theorem Quick-Reference Handbook | Year 9 WJEC 英语：公式定理速查手册
Welcome to your ultimate English 'formula sheet', where language rules are expressed as equations and theorems to help you secure top marks in Year 9 WJEC assessments. English, much like mathematics, has predictable patterns and structures; mastering these 'formulas' will sharpen your reading, writing, and analysis skills. This handbook breaks complex rules into bite-sized equations, offering a quick-reference toolkit for every lesson and homework task.
欢迎使用终极英语“公式表”，这里将语言规则表达为方程和定理，帮助你在 Year 9 WJEC 评估中取得高分。英语与数学一样具有可预测的模式和结构；掌握这些“公式”将提升你的阅读、写作和分析能力。本手册将复杂规则分解为易消化的方程式，为每一次课堂和作业提供速查工具箱。
1. The Sentence Formula | 句子公式
A complete sentence must contain a subject and a predicate (verb). The simplest formula: Subject + Verb (+ Object/Complement) = Sentence. For example, 'The cat (S) + sleeps (V)' is a sentence. A group of words missing a subject or verb is a fragment; always check each sentence against this formula in WJEC writing tasks.
一个完整的句子必须包含主语和谓语（动词）。最简单公式：主语 + 动词 (+ 宾语/补语) = 句子。例如，“The cat (主语) + sleeps (动词)”就是一个句子。缺少主语或动词的词语群是片段句；在 WJEC 写作任务中，始终用这个公式检查每个句子。
The imperative sentence (command) has an implied subject 'you'. Its formula: (You) + Verb + Object. Example: 'Open the door.'
祈使句（命令）隐含主语“你”。其公式：(你) + 动词 + 宾语。示例：“Open the door.”
Question form: Auxiliary + Subject + Verb. 'Did she go?' follows this formula. Recognise the pattern to avoid syntax errors.
疑问句形式：助动词 + 主语 + 动词。“Did she go?” 遵循这个公式。识别该模式可避免句法错误。
2. The Compound Sentence Equation | 并列句方程
To join two independent clauses, use a comma + coordinating conjunction (FANBOYS: for, and, nor, but, or, yet, so) or a semicolon. Formula: Independent Clause + , + FANBOYS + Independent Clause. Example: 'I wanted to read, but the room was too dark.' Never use just a comma—this is a comma splice fault.
要连接两个独立分句，使用逗号 + 并列连词（FANBOYS: for, and, nor, but, or, yet, so）或分号。公式：独立分句 + , + FANBOYS + 独立分句。示例：“I wanted to read, but the room was too dark.” 切勿仅用逗号——这是逗号拼接错误。
The semicolon equation: Independent Clause + ; + Independent Clause (no conjunction). Use when clauses are closely related. 'The sky darkened; a storm was near.'
分号方程：独立分句 + ; + 独立分句（无连词）。当分句紧密相关时使用。“The sky darkened; a storm was near.”
For WJEC narrative tasks, mixing compound structures adds rhythm. Avoid overusing 'and' by replacing it with a semicolon where appropriate.
在 WJEC 叙事任务中，混合并列结构可增加节奏感。用分号适当替换“and”以避免过度使用。
3. Comma Splice Theorem: Forbidden Connection | 逗号拼接定理：禁止连接
Theorems state that a comma alone cannot join two independent clauses. If you find a comma between two complete thoughts, you must replace it with a semicolon, add a conjunction, or make them separate sentences. For example, 'It rained, the match was cancelled' is a comma splice. Fix: 'It rained, so the match was cancelled.'
定理指出，逗号不能单独连接两个独立分句。如果你发现两个完整想法之间只有一个逗号，必须将其替换为分号、添加连词，或把它们变成单独的句子。例如，“It rained, the match was cancelled”是逗号拼接。修正：“It rained, so the match was cancelled.”
WJEC examiners penalise comma splices in extended writing. Apply the 'Two-Pens Test': if you could put a full stop and start a new sentence, you cannot link them with just a comma. This theorem is absolute.
WJEC 考官在长篇写作中会扣分。使用“双笔测试”：如果你可以放一个句号开始新句子，就不能仅用逗号连接它们。该定理是绝对的。
Exception: commas in a list or with a non-essential phrase are allowed. Theorem applies strictly to independent clauses.
例外：列表中的逗号或与非必要短语连用是允许的。定理严格适用于独立分句。
4. Apostrophe Theorem: Possession & Contraction | 撇号定理：所有格与缩略
Apostrophes signal either possession or contraction. The possession formula: Noun (+ 's) for singular owner; Plural noun ending in s + ' (e.g., teachers' lounge). Contraction formula: Two words combined, with apostrophe replacing omitted letters (e.g., do not -> don't).
撇号表示所有格或缩略。所有格公式：单数所有者：名词 + 's；以 s 结尾的复数名词 + '（如 teachers' lounge）。缩略公式：两个词合并，撇号代替省略的字母（如 do not -> don't）。
Beware of its/it's: its (possessive, no apostrophe) vs. it's (it is). This theorem must be proven in every piece of writing. 'The dog wagged its tail' is correct; 'it's a sunny day' is a contraction.
当心 its 和 it's：its（所有格，无撇号）对比 it's（it is）。每篇写作都必须验证该定理。“The dog wagged its tail”是正确的；“it's a sunny day”为缩略。
Plurals never take an apostrophe for ordinary forms: 'apple's' means belonging to an apple, not multiple apples.
普通复数形式绝不加撇号：“apple's”表示属于苹果，而非多个苹果。
5. The Paragraph PEEL Formula | 段落 PEEL 公式
For analytical and persuasive writing, structure paragraphs using PEEL: Point – Evidence – Explanation – Link. This formula ensures coherence and depth, exactly what WJEC mark schemes reward.
对于分析性和说服性写作，使用 PEEL 结构段落：观点 – 证据 – 解释 – 链接。这个公式确保连贯性和深度，正是 WJEC 评分方案所奖励的。
Point: State the main idea in a clear topic sentence. Evidence: embed a short quotation or specific reference. Explanation: analyse language techniques, connotations, and effect. Link: connect back to the question or transition to the next paragraph.
观点：用清晰的主题句陈述主要观点。证据：嵌入简短引语或具体引用。解释：分析语言技巧、内涵和效果。链接：回扣问题或过渡到下一段落。
Example PEEL: (Point) The writer portrays the setting as oppressive. (Evidence) The phrase 'suffocating gloom' appears. (Explanation) The adjective 'suffocating' suggests breathing difficulty, creating a sense of entrapment. (Link) This atmosphere mirrors the protagonist's isolation.
示例 PEEL：（观点）作者将场景描绘得压抑。（证据）出现了短语“suffocating gloom”。（解释）形容词“suffocating”暗示呼吸困难，营造被困住的感觉。（链接）这种氛围映射了主人公的孤立。
6. Persuasive Techniques Arithmetic | 说服技巧算术
Persuasive writing multiplies impact through a combination of rhetorical devices. The formula: tion + Triplet (rule of three) + Emotive Language + Statistic/Fact = High Persuasion Score. For WJEC transactional writing, layer these techniques.
说服性写作通过修辞手段的组合倍增影响力。公式：修辞问句 + 三句法则 + 情感语言 + 统计/事实 = 高说服力得分。对于 WJEC 事务性写作，要分层使用这些技巧。
Rhetorical question: 'Isn’t it time we acted?' Triplet: 'Pollution chokes our air, poisons our water, destroys our wildlife.' Emotive language: 'heartbreaking' and 'devastating'. Statistics: 'Over 70% of marine life is affected.'
修辞问句：“Isn’t it time we acted?” 三句法则：“Pollution chokes our air, poisons our water, destroys our wildlife.” 情感语言：“heartbreaking”和“devastating”. 统计：“Over 70% of marine life is affected.”
The theorem states that combining these elements earns higher marks for AFOREST features (Anecdote, Facts, Opinion, Rhetorical question, Emotive language, Statistics, Triplets). Use the AFOREST mnemonic as a checklist.
定理指出，组合这些元素能在 AFOREST 特征（轶事、事实、观点、修辞问句、情感语言、统计、三句法则）上获得更高分数。使用 AFOREST 助记符作为检查表。
7. Figurative Language Identities | 修辞语言恒等式
Figurative language has identifiable equations: Simile: X is like Y (using 'like' or 'as'). Metaphor: X is Y. Personification: non-human thing + human action/quality. These identities add imagery and depth to creative and descriptive writing.
修辞语言有可识别的等式：明喻：X 像 Y (用 'like' 或 'as')。暗喻：X 是 Y。拟人：非
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