📚 Year 13 CIE Spanish: Formula & Theorem Quick Reference Handbook | Year 13 CIE 西班牙语：公式定理速查手册
In Year 13 CIE Spanish, mastering the language is very much like applying a set of precise formulas and theorems. Just as in mathematics, these structures give you the power to construct correct, nuanced sentences with confidence. This quick reference handbook brings together the most important grammatical "formulas" – from subjunctive formation to conditional sequences, indirect speech transformations, and the delicate distinctions between ser and estar or por and para – all in one place, so you can revise efficiently and apply them instantly during your exam.
在 Year 13 CIE 西班牙语的学习中，掌握语言就像运用一套精确的公式和定理。就像数学一样，这些结构能让你自信地造出正确而细腻的句子。本速查手册汇集了最重要的语法“公式”——从虚拟式的构成到时态搭配、间接引语转换，再到 ser 与 estar 或 por 与 para 的微妙区别——全部集中在一起，方便你高效复习并在考试中即时运用。
1. Presente de Subjuntivo Formula | 虚拟式现在时公式
The present subjunctive is formed by taking the 'yo' form of the present indicative, dropping the final '-o', and adding the opposite vowel endings. For -AR verbs, the endings are -e, -es, -e, -emos, -éis, -en. For -ER and -IR verbs, the endings are -a, -as, -a, -amos, -áis, -an.
虚拟式现在时由直陈式现在时第一人称单数（yo）形式去掉词尾 -o，再加上相反的元音词尾构成。-AR 动词加 -e, -es, -e, -emos, -éis, -en。-ER 和 -IR 动词加 -a, -as, -a, -amos, -áis, -an。
hablar → hable, hables, hable, hablemos, habléis, hablen
comer → coma, comas, coma, comamos, comáis, coman
vivir → viva, vivas, viva, vivamos, viváis, vivan
Stem-changing -AR and -ER verbs keep the same stem change as in the present indicative 'yo' -car, -gar, -zar to maintain pronunciation: c → qu, g → gu, z → c before the opposite endings.
词干变化的 -AR 和 -ER 动词保持与直陈式 yo 形式相同的词干变化，但词干变化的 -IR 动词在 nosotros 和 vosotros 人称中也会发生元音变化（e → i，o → u）。以 -car, -gar, -zar 结尾的动词为保持发音会出现拼写变化：在相反的元音词尾前，c → qu，g → gu，z → c。
Irregular 'yo' venir → venga, decir → diga, hacer → haga, poner → ponga, salir → salga, traer → traiga, oí iga, conocer → conozca. The verbs dar, estar, ir, saber, ser have fully irregular stems: dé, esté, vaya, sepa, sea.
不规则的 yo 形式是关键： venir → venga, decir → diga, hacer → haga, poner → ponga, salir → salga, traer → traiga, oír → oiga, conocer → conozca。动词 dar, estar, ir, saber, ser 有完全不规则词干：dé, esté, vaya, sepa, sea。
2. Imperfecto de Subjuntivo Formula | 虚拟式过去未完成时公式
This tense is built from the third person plural (ellos/ellas/ustedes) of the preterite. Remove the '-ron' ending and add either the -ra or -se set of endings. Both are used interchangeably in most CIE contexts, though -ra forms are more common in everyday speech. The endings are: -ra / -ras / -ra / -´ramos / -rais / -ran (or -se / -ses / -se / -semos / -seis / -sen).
该时态由简单过去时第三人称复数（ellos/ellas/ustedes）构成。去掉词尾 -ron 后，加上 -ra 或 -se 两套词尾。在 CIE 语境中两者可互换使用，尽管日常口语中 -ra 形式更常见。词尾为：-ra / -ras / -ra / -´ramos / -rais / -ran（或 -se / -ses / -se / -semos / -seis / -sen）。
hablaron → hablara / hablase, hablaras / hablases, hablara / hablase, habláramos / hablásemos, hablarais / hablaseis, hablaran / hablasen
Every single verb follows this rule exactly, even the most irregular ones, because all irregularities are already contained in the preterite stem. Thus, for tener (tuvieron) we get tuviera/tuviese, for pedir (pidieron) we get pidiera/pidiese, and for ir/ser (fueron) we get fuera/fuese.
所有动词，甚至最不规则的动词，都完全遵循这一规则，因为所有的不规则都已包含在简单过去时词干里。因此，tener（tuvieron）得到 tuviera/tuviese，pedir（pidieron）得到 pidiera/pidiese，ir/ser（fueron）得到 fuera/fuese。
It is used after a main clause in a past tense or conditional to express simultaneous or future situations, in "como si" clauses, and after "ojalá" to express an unlikely wish.
它用于过去时或条件式主句之后，表示同时或将来情况；用于“como si”从句；用在“ojalá”之后表达不现实的愿望。
3. Perfecto de Subjuntivo y Pluscuamperfecto | 虚拟式现在完成时与过去完成时
The perfect subjunctive (pretérito perfecto de subjuntivo) consists of the present subjunctive of "haber" + past participle. It is used when the subordinate clause action precedes the main verb but the main verb is in a present or future tense, or after an imperative.
虚拟式现在完成时由“haber”的虚拟式现在时 + 过去分词构成。当从句动作发生在主句动作之前，而主句是现在时、将来时或命令式时使用。
haya, hayas, haya, hayamos, hayáis, hayan + hablado/comido/vivido
The pluperfect subjunctive (pluscuamperfecto de subjuntivo) uses the imperfect subjunctive of "haber" + past participle. It is used for actions anterior to a main verb that is already in a past tense or conditional, often in the same contexts as the imperfect subjunctive but with a perfective aspect.
虚拟式过去完成时使用“haber”的虚拟式过去未完成时 + 过去分词。用于主句为过去时或条件式，且从句动作先于主句动作的语境中，通常与虚拟式过去未完成时使用场景相同，但具有完成体意义。
hubiera / hubiese, hubieras / hubieses, hubiera / hubiese, hubiéramos / hubiésemos, hubierais / hubieseis, hubieran / hubiesen + past participle
Example: "Espero que hayas aprobado el examen." (I hope you have passed) vs. "Esperaba que hubieras aprobado el examen." (I was hoping you had passed).
示例：Espero que hayas aprobado el examen.（我希望你已经通过了考试。）vs. Esperaba que hubieras aprobado el examen.（我当时希望你已经通过了考试。）
4. Condicional Simple y Compuesto | 简单条件式与复合条件式
The simple conditional is one of the most regular formulas in Spanish: infinitive + -ía, -ías, -ía, -íamos, -íais, -í r → har-, poder → podr-, poner → pondr-, querer → querr-, saber → sabr-, salir → saldr-, tener → tendr-, valer → valdr-, venir → vendr-.
简单条件式是西班牙语中最规则的公式之一：动词原形 + -ía, -ías, -ía, -íamos, -íais, -ían。简单将来时不规则的十二个动词，其条件式词干同样不规则：caber → cabr-，decir → dir-，haber → habr-，hacer → har-，poder → podr-，poner → pondr-，querer → querr-，saber → sabr-，salir → saldr-，tener → tendr-，valer → valdr-，venir → vendr-。
It is used to express courtesy, probability in the past, hypothetical situations and the result clause in type 2 conditional sentences. The compound conditional (condicional compuesto) is formed with the conditional of "haber" + past participle, and indicates a past action that did not happen, or a past probability.
它用于表达礼貌语气、过去可能性、假设情况以及第二类条件句的结果从句。复合条件式由“haber”的条件式 + 过去分词构成，表示本可能发生但未发生的过去动作，或过去的推断。
hablaría, hablarías, hablaría, hablaríamos, hablaríais, hablarían
habría hablado, habrías hablado, habría hablado, habríamos hablado, habríais hablado, habrían hablado
5. Sequence of Tenses Formula | 时态呼应公式
When the main clause verb is in a present, future or perfect tense, the subordinate subjunctive is normally present or present perfect. When the main clause verb is in a preterite, imperfect, past perfect or simple conditional, the subordinate subjunctive must be imperfect or pluperfect.
当主句动词为现在时、将来时或现在完成时，从句中的虚拟式通常使用现在时或现在完成时。当主句动词为简单过去时、过去未完成时、过去完成时或简单条件式，从句虚拟式必须用过去未完成时或过去完成时。
| Main clause example | Subordinate subjunctive required |
| Quiero que... | present subjunctive |
| Te pido que... | present subjunctive |
| Quería que... | imperfect subjunctive |
| Había pedido que... | imperfect subjunctive |
unctive; Era bueno que → imperfect subjunctive. This consistent mapping is one of the most powerful "theorems" in CIE Spanish writing.
无论主句是肯定还是否定，该公式均适用，并可延伸至非人称表达：Es bueno que → 现在虚拟式；Era bueno que → 过去未完成虚拟式。这一前后一致的映射是 CIE 西班牙语写作中最强大的“定理”之一。
6. "Si" Clause Formulas | "Si" 条件句公式
Type 1 (real conditions): Si + present indicative, present indicative / future / imperative. Used for likely or possible situations.
类型一（真实条件）：Si + 直陈式现在时，直陈式现在时 / 将来时 / 命令式。用于很可能或可能发生的情况。
Si estudias, sacarás buenas notas.
Type 2 (unreal present/future): Si + imperfect subjunctive, simple conditional. Describes hypothetical or unlikely situations now or in the future.
类型二（与现在/将来事实相反）：Si + 虚拟式过去未完成时，简单条件式。描述假想的或不大可能发生的现在或将来情况。
Si tuviera dinero, viajaría por el mundo.
Type 3 (past unreal): Si + pluperfect subjunctive, conditional perfect / pluperfect subjunctive. Refers to impossible past conditions.
类型三（与过去事实相反）：Si + 虚拟式过去完成时，复合条件式 / 虚拟式过去完成时。指过去不可能的情况。
Si hubiera sabido la verdad, no habría ido.
Note: "Si" is never followed by the present subjunctive or the simple conditional. A common CIE exam trap involves mixing conditional in both clauses; always remember the formula.
注意：“Si”后面从不接虚拟式现在时或简单条件式。CIE 考试中常见的陷阱是在两个分句中都使用条件式；务必记住公式。
7. Indirect Speech Transformation | 间接引语转换公式
e past. Present → imperfect; preterite/perfect → pluperfect; future → conditional; imperative → imperfect subjunctive.
当叙述动词为过去时，直接引语变为间接引语时，原句动词时态按严格规则后退一步：现在时 → 过去未完成时；简单过去时/现在完成时 → 过去完成时；将来时 → 条件式；命令式 → 虚拟式过去未完成时。
| Direct | Indirect (said that...) |
| "Estoy cansado" | Dijo que estaba cansado. |
| "He llegado tarde" | Dijo que había llegado tarde. |
| "Iré mañana" | Dijo que iría al día siguiente. |
| "Hazlo ahora" | Dijo que lo hiciera entonces. |
Time expressions also change: "hoy" → "aquel día", "mañana" → "al día siguiente", "ayer" → "el día anterior", "la semana que viene" → "la semana siguiente". Personal pronouns and possessives adjust logically within the new framework.
时间状语也随之变化：“hoy” → “aquel día”，“mañana” → “al día siguiente”，“ayer” → “el día anterior”，“la semana que viene” → “la semana siguiente”。人称代词和物主形容词在新的结构中按逻辑调整。
8. Ser vs. Estar Theorems | Ser 与 Estar "定理"
The choice between ser and estar is approached through fixed categories, which function like theorems. Ser is used for permanent or identifying characteristics (DOCTOR: Description, Occupation, Characteristic, Time, Origin, Relationship). Estar is used for states and locations (PLACE: Position, Location, Action in progress, Condition, Emotion).
选择 ser 还是 estar 可通过固定分类来掌握，像定理一样运作。Ser 用于永久性或定义性特征（DOCTOR：描写、职业、特点、时间、出身、关系）。Estar 用于状态和地点（PLACE：姿势、位置、进行中的动作、状态、情感）。
However, numerous adjectives change meaning depending on the verb, a key CIE distinction. For example, "ser listo" (clever) vs. "estar listo" (ready); "ser aburrido" (boring) vs. "estar aburrido" (bored); "ser bueno" (good) vs. "estar bueno" (tasty/well). These must be memorised as fixed collocation formulas.
然而，许多形容词根据所用动词改变含义，这是 CIE 考试的关键区分点。例如，“ser listo”（聪明） vs. “estar listo”（准备好了）；“ser aburrido”（令人厌烦的） vs. “estar aburrido”（感到无聊的）；“ser bueno”（好的） vs. “estar bueno”（好吃的/身体好的）。这些必须作为固定搭配公式牢记。
Additionally, the "passive result" theorem: estar + participle describes a resulting state from a prior action, whereas ser + participle (by an agent) forms the true passive voice. "La puerta está abierta" (state) vs. "La puerta es abierta por el portero" (passive action).
此外，“被动结果”定理：estar + 过去分词描写由之前动作导致的状态，而 ser + 过去分词（带施事者）构成真正的被动语态。“La puerta está abierta”（状态） vs. “La puerta es abierta por el portero”（被动动作）。
9. Por vs. Para Rules | Por 与 Para 使用规则
These two prepositions follow rule-based distinctions. Use "para" for purpose, deadlines, destinations, employment, opinions, and comparisons. Use "por" for causes, duration, exchange, means, movement through or along, and motives. A simple pair of formulas: "para + infinitive" often means "in order to"; "por + infinitive" suggests an unfinished action or reason.
这两个介词的用法遵循基于规则的区分。Para 用于目的、截止日期、目的地、就业、观点和比较。Por 用于原因、持续时间、交换、方式、穿越或沿着某处的移动以及动机。一对简单的公式：“para + 原形动词”常表示“为了……”；“por + 原形动词”暗示未完成的动作或原因。
Examples: "Estudio para aprobar" (in order to pass) vs. "Estoy por terminar" (I am about to finish). Fixed expressions like "por eso" (therefore), "por lo menos" (at least), "para siempre" (forever) are essential formulas for CIE essays.
示例：“Estudio para aprobar”（为了通过） vs. “Estoy por terminar”（我即将完成）。固定表达如“por eso”（因此）、“por lo menos”（至少）、“para siempre”（永远）是 CIE 写作中必不可少的公式。
When talking about time, "para" looks forward to a deadline while "por" refers to a part of the day or an approximate time. And "por" can indicate the agent in passive constructions with ser.
在时间方面，“para”向前看一个截止时间，而“por”指一天中的时段或大致时间。此外，“por”可在带 ser 的被动结构中引出施事者。
10. Pronoun Placement & Redundancy Formula | 代词位置与冗余公式
Object pronouns (me, te, lo, la, nos, os, los, las) and reflexive pronouns are placed before a conjugated verb, or attached to the end of an infinitive, gerund, or affirmative command. When two object pronouns appear together, the indirect goes before the direct, and "le/les" change to "se" before "lo/la/los/las".
宾格代词和反身代词置于变位动词之前，或附着于原形动词、副动词和肯定命令式之后。当两个宾语代词同时出现时，间接宾语置于直接宾语之前，且“le/les”在“lo/la/los/las”前变为“se”。
Te lo dije ayer. → (I told you it yesterday.)
Da el libro a Juan → Dáselo. (Give it to him.)
Redundancy rules: Native speakers (and CIE examiners) expect a repeated indirect object pronoun even when the indirect object noun is present, e.g., "Le di el regalo a María." The formula is: indirect object pronoun + verb + a + noun. This redundancy is obligatory for le/les and very common for other objects.
冗余规则：母语者（以及 CIE 考官）期望即使在间接宾语名词出现时也复指间接宾语代词，例如“Le di el regalo a María”。公式为：间接宾语代词 + 动词 + a + 名词。这种冗余对于 le/les 是强制性的，对于其他宾语也很常见。
With the passive "se" and impersonal constructions, the verb agrees with the subject/noun: "Se venden coches" (Cars are sold). The formula "se + third person singular/plural verb" is tested frequently.
在使用被动“se”和非人称结构时，动词与主语/名词保持一致：“Se venden coches”（汽车出售）。公式“se + 第三人称单数/复数动词”是
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