Condicional

Las estructuras de condicionales en inglés se utilizan para expresar diferentes tipos de situaciones, desde hechos generales hasta hipótesis sobre el presente, el futuro o el pasado.

CONDICIONAL TIPO 0 (Zero Conditional)

Cuándo usarlo:

✅ Para hablar de hechos generales, verdades universales o leyes naturales.
✅ Para expresar reglas o instrucciones.

Estructura y tiempos verbales:

🔹 If + presente simple, presente simple

Ejemplos:

• If you heat water to 100°C, it boils. (Si calientas el agua a 100°C, hierve.)
• If you don't water plants, they die. (Si no riegas las plantas, se mueren.)
• If you press this button, the machine stops. (Si presionas este botón, la máquina se detiene.)

CONDICIONAL TIPO 1 (First Conditional)

Cuándo usarlo:

✅ Para hablar de situaciones posibles o probables en el futuro.
✅ Para expresar advertencias o consecuencias realistas.

Estructura y tiempos verbales:

🔹 If + presente simple, will + verbo en infinitivo

Ejemplos:

• If you study, you will pass the exam. (Si estudias, aprobarás el examen.)
• If it rains, we will stay at home. (Si llueve, nos quedaremos en casa.)
• If you don't hurry, you will miss the bus. (Si no te das prisa, perderás el autobús.)

CONDICIONAL TIPO 2 (Second Conditional)

Cuándo usarlo:

✅ Para hablar de situaciones hipotéticas o improbables en el presente o futuro.
✅ Para expresar deseos o dar consejos.

Estructura y tiempos verbales:

🔹 If + pasado simple, would + verbo en infinitivo

💡 Nota: En el condicional 2, "were" se usa para todos los sujetos en vez de "was" en un contexto formal.

Ejemplos:

• If I were a millionaire, I would travel the world. (Si fuera millonario, viajaría por el mundo.)
• If she studied more, she would get better grades. (Si estudiara más, sacaría mejores notas.)
• If we had a car, we would drive to the beach. (Si tuviéramos un coche, iríamos en coche a la playa.)

CONDICIONAL TIPO 3 (Third Conditional)

Cuándo usarlo:

✅ Para hablar de situaciones hipotéticas en el pasado (algo que no sucedió).
✅ Para expresar arrepentimientos o consecuencias de acciones pasadas.

Estructura y tiempos verbales:

🔹 If + past perfect (had + participio), would have + participio

Ejemplos:

• If I had studied, I would have passed the exam. (Si hubiera estudiado, habría aprobado el examen.)
• If she had left earlier, she wouldn't have missed the train. (Si hubiera salido antes, no habría perdido el tren.)
• If they had invited me, I would have gone to the party. (Si me hubieran invitado, habría ido a la fiesta.)

https://blogdeletstalk.blogspot.com/2018/09/conditionals-and-wishes.html

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📌 INFOGRAFÍA: Los Condicionales en Inglés de un Vistazo

Guía rápida de gramática para dominar las estructuras "If clauses" en la ESO y Bachillerato.

🌱 ZERO CONDITIONAL (Tipo 0)

Leyes naturales y hechos generales

If + Present Simple, Present Simple

🇬🇧 If you heat water to 100°C, it boils.
🇪🇸 Si calientas el agua a 100°C, hierve.

🚀 FIRST CONDITIONAL (Tipo 1)

Situaciones posibles o probables

If + Present Simple, Will + Infinitivo

🇬🇧 If you study, you will pass the exam.
🇪🇸 Si estudias, aprobarás el examen.

💭 SECOND CONDITIONAL (Tipo 2)

Hipótesis imaginarias o dar consejos

If + Past Simple, Would + Infinitivo

🇬🇧 If I were rich, I would travel the world.
🇪🇸 Si fuera rico, viajaría por el mundo.

⏳ THIRD CONDITIONAL (Tipo 3)

Pasado imposible y arrepentimientos

If + Past Perfect, Would have + Participio

🇬🇧 If I had studied, I would have passed.
🇪🇸 Si hubiera estudiado, habría aprobado.

💡 TRUCO DE EXAMEN (The "Were" Rule): En el condicional tipo 2, la norma formal de la gramática inglesa exige usar la forma verbal "WERE" para todas las personas del sujeto (I, he, she, it) dentro de la frase con If. Ejemplo: If she were here...

⚠️ ¡CUIDADO CON LA COMA! Si empiezas la frase con la condición ("If..."), debes poner una coma antes del resultado. Si colocas el resultado primero, la coma desaparece. (Ej: I will pass the exam if I study).

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📋 Tabla Comparativa: Conditionals de un Vistazo

Usa esta tabla interactiva para repasar rápidamente las estructuras y el nivel de probabilidad de cada condicional antes de tu examen.

Tipo	¿Cuándo se usa?	Estructura de la Fórmula	Probabilidad
Tipo 0 (Zero)	Verdades universales, leyes científicas e instrucciones directas.	If + Present Simple, Present Simple	💯 100% Real (Siempre ocurre)
Tipo 1 (First)	Planes futuros realistas, promesas y advertencias de consecuencias.	If + Present Simple, Will + Infinitivo	🚀 Muy Probable (Futuro posible)
Tipo 2 (Second)	Situaciones imaginarias en el presente, deseos o para dar consejos.	If + Past Simple, Would + Infinitivo	💭 Hipotético (Improbable/Fantasía)
Tipo 3 (Third)	Arrepentimientos del pasado o imaginar cómo habrían cambiado las cosas.	If + Past Perfect, Would have + Participio	❌ 0% Imposible (El pasado no cambia)

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Passive Voice

 The passive voice is used to emphasize the action rather than the doer (subject). Instead of focusing on who performs the action, the passive voice highlights what happens to the object. It is commonly used in formal writing, scientific reports, and when the doer is unknown or unimportant.

Uses of the Passive Voice

1. When the doer (agent) is unknown or unimportant

   • "A valuable painting was stolen last night." (We don’t know who stole it.)
   • "The bridge was repaired last week." (It doesn’t matter who repaired it.)

2. When the focus is on the action or result rather than the person doing it

   • "A new law has been passed." (The focus is on the law, not who passed it.)
   • "The homework must be submitted by Friday." (The deadline is more important than the person submitting it.)

3. In scientific, academic, or technical writing

   • "The experiment was conducted in a controlled environment."
   • "The results were analyzed carefully."

4. To sound more objective and formal

   • "Mistakes were made." (Avoids blaming someone directly.)
   • "A decision has been taken." (Sounds more formal than "We have taken a decision.")

5. In news reports and announcements

• "A new hospital will be built in the city."
• "The suspect has been arrested."

Test how much you know about the passive voice with this quiz:

https://forms.gle/1HhgfGkvAvHA7ZzK8

📌 INFOGRAFÍA: Guía Visual de la Voz Pasiva (Passive Voice)

Aprende cómo cambiar de activa a pasiva y cuándo usarla para tus exámenes de la ESO y Bachillerato.

📢 ¿Cuál es el enfoque? En la voz pasiva, la importancia recae sobre la acción o el objeto, y no sobre la persona que la realiza (el sujeto). Se utiliza muchísimo en contextos formales, noticias, informes científicos y cuando el causante es desconocido.

🔄 Mecánica de Cambio (Activa → Pasiva)

Sigue este cruce de elementos idéntico al de una "X" matemática:

🗣️ ACTIVA: Shakespeare (Sujeto) + wrote (Verbo en pasado) + Hamlet (Objeto).
🛡️ PASIVA: Hamlet (Nuevo Sujeto) + was written (To be + Participio) + by Shakespeare (Agente).

⚡ REGLA DE ORO DE LOS TIEMPOS: El verbo "TO BE" debe ponerse exactamente en el mismo tiempo verbal que tenía el verbo principal en la oración activa.

💼 ¿CUÁNDO DEBES UTILIZARLA?

• Sujeto desconocido/sin importancia:
  "A painting was stolen last night."
• Foco absoluto en el resultado:
  "A new law has been passed."
• Ámbito científico o académico:
  "The results were analyzed."

⏱️ CAMBIOS VERBALES EXPRÉS

Present Simple:	is / are + eaten
Past Simple:	was / were + eaten
Present Perfect:	has/have been + eaten
Modales (must/will):	must be / will be + eaten

⚠️ TRUCO DE EXAMEN: El "by" (Complemento Agente) solo se pone si aporta información relevante. Si el sujeto de la activa es "Someone", "They", "People" o pronombres genéricos, ¡NUNCA lo pongas en la pasiva!

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The causative

 

What is the Causative Form Used For?

The causative form is used to describe situations where one person causes another person to do something or arranges for something to be done. It emphasizes that someone is not performing the action themselves but is instead making it happen through someone else.

Causative structures are commonly used in formal speech, business contexts, and everyday situations when discussing services, responsibilities, or authority.

Types of Causative Forms & Examples

1. "Have"  – Requesting a Service

✅ Used when someone arranges for someone else to do something (neutral tone).

• Structure (Active): Subject + have + object + base verb (bare infinitive)
• Structure (Passive): Subject + have + object + past participle

🔹 Active: I had the plumber fix the leak.
🔹 Passive: I had the leak fixed.

🔹 Active: She had the doctor check her eyesight.
🔹 Passive: She had her eyesight checked.

2. "Get"  – More Informal, Sometimes Persuasive

✅ Used like "have," but slightly less formal and often implies persuasion or effort.

• Structure (Active): Subject + get + object + to + base verb
• Structure (Passive): Subject + get + object + past participle

🔹 Active: I got my brother to help me with my homework.
🔹 Passive: I got my homework done.

🔹 Active: She got the technician to repair her phone.
🔹 Passive: She got her phone repaired.

3. "Make" – Forcing Someone to Do Something

✅ Used when forcing or strongly encouraging someone to do something.

• Structure (Active): Subject + make + object + base verb (bare infinitive)
• Structure (Passive): Subject + be made + to + base verb

🔹 Active: The teacher made the students rewrite the essay.
🔹 Passive: The students were made to rewrite the essay.

🔹 Active: His boss made him stay late.
🔹 Passive: He was made to stay late.

4. "Let" – Giving Permission

✅ Used when allowing someone to do something.

• Structure (Active): Subject + let + object + base verb (bare infinitive)

🔹 Active: Her parents let her go to the party.
🔹 Rephrased Passive (Using "Allow" instead of "Let"): She was allowed to go to the party.

🔹 Active: They let us leave early.
🔹 Rephrased Passive: We were allowed to leave early.

5. Other Causative Verbs 

Test how much you know about the causative form with this quiz:
https://forms.gle/Vhd87UnwpxoWMfvU6

📌 INFOGRAFÍA: Guía Rápida de las Estructuras Causativas

Aprende cuándo usar Have, Get, Make y Let para tus exámenes de inglés de la ESO y Bachillerato.

💡 ¿Para qué sirve? La forma causativa se utiliza cuando no realizas la acción tú mismo, sino que convences, obligas, permites o contratas a otra persona para que la haga por ti.

🛠️ HAVE (Encargar un servicio)

Se usa para indicar que contratas u organizas a alguien para hacer algo.

Have + Person + Base Verb Ej: I had the plumber fix the leak.

🗣️ GET (Persuadir o convencer)

Es más informal. Implica que has convencido a alguien tras un esfuerzo.

Get + Person + TO + Base Verb Ej: I got my brother to help me.

 MAKE (Obligar a alguien)

Se utiliza cuando fuerzas o exiges firmemente a otra persona que actúe.

Make + Person + Base Verb Ej: The teacher made them rewrite it.

🔑 LET (Dar permiso / Permitir)

Se emplea para conceder permiso o dejar que alguien haga algo de forma libre.

Let + Person + Base Verb Ej: Her parents let her go to the party.

🏛️ LA ESTRUCTURA PASIVA CAUSATIVA

Se usa con HAVE o GET si no nos importa quién realiza la acción, sino el objeto final:

Subject + HAVE / GET + Object + Past Participle

Ej: I had my hair cut. / She got her phone repaired.

⚠️ TRUCO DE EXAMEN (¡Ojo con el "TO"!): Recuerda que con "HAVE", "MAKE" y "LET" el verbo de la persona va en infinitivo pelado (sin TO). El único verbo causativo activo que te obliga a colocar el "TO" es "GET".

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Modal Verbs of Deduction and Speculation

Modal verbs like can’t, might, may, could, and must are used to express different levels of certainty when making deductions or speculating about situations. Here’s how they work:

1. Must (High Certainty – 90-100%)

Used when we are almost sure that something is true.

• Present/Future: She must be at work now. (I’m almost certain.)
• Past: He must have forgotten his phone at home. (Strong deduction based on evidence.)

2. Can’t (High Certainty – 90-100%)

Used when we are almost sure that something is not true.

• Present/Future: He can’t be the thief; he was with me all day.
• Past: They can’t have finished the exam so quickly!

3. Might / May / Could (Low to Medium Certainty – 30-60%)

Used when something is possible but uncertain.

• Present/Future: She might be at home now. / He may arrive late. / They could be lost.
• Past: He might have missed the train. / She may have forgotten about the meeting. / They could have taken the wrong exit.

🔹 Differences between Might, May, and Could:

• Might/May are almost interchangeable, but "may" sounds slightly more formal.
• Could suggests a theoretical possibility rather than a strong likelihood.
  
  Now if you want to check how well you are at using the modal verbs of deduction and speculation, take the following test:
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📌 INFOGRAFÍA: Verbos Modales de Deducción y Especulación

Guía rápida de gramática para entender los grados de certeza en tus exámenes de inglés.

🟢 MUST (Alta Certeza: 90% - 100%)

Úsalo cuando estás prácticamente seguro de que algo sí es verdad basándote en pruebas consistentes.

• Presente: She must be at work now. (Seguro que está trabajando).
• Pasado: He must have forgotten his phone. (Seguro que se lo ha olvidado).

🔴 CAN'T (Alta Certeza Negativa: 90% - 100%)

Úsalo cuando estás prácticamente seguro de que algo es imposible o falso.

• Presente: He can't be the thief. (Es imposible que él sea el ladrón).
• Pasado: They can't have finished so quickly! (¡Imposible que hayan acabado ya!).

🟡 MIGHT / MAY / COULD (Certeza Media-Baja: 30% - 60%)

Úsalos cuando algo es **posible, pero no estás seguro**. Son muy similares entre sí:

• Presente: She might be at home. / They could be lost.
• Pasado: He might have missed the train. / She may have forgotten.

🔹 Diferencia sutil: May es ligeramente más formal que Might. Por su parte, Could expresa una posibilidad más teórica que una probabilidad real.

⚙️ FÓRMULA PARA EL PASADO (Perfect Modals):
Para deducir sobre eventos pasados que ya concluyeron, la estructura fija obligatoria siempre es:

Modal Verb + HAVE + Past Participle (3ª columna)

⚠️ EL TÍPICO TRANCO DE EXAMEN: Nunca utilices "MUSTN'T" para hacer deducciones negativas. En inglés, el antónimo de deducir con certeza ("Must") es obligatoriamente "CAN'T". ¡Grábatelo en la cabeza!

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