EBAU Grammar Masterclass 🎓: Modals, Modal Perfects & Reported Speech for 2º Bachillerato

NeuroEnglishMMP · 2º Bachillerato / EBAU

EBAU GRAMMAR MASTERCLASS
Modals, Modal Perfects & Reported Speech

Unidad introductoria y de revisión para preparar las estructuras que después practicarás en los English Exam Arcade Games.

📍 ROADMAP DE LA UNIDAD

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1. Modal Powers

Presente, deducción, prohibición y el uso preciso de had better en el entorno laboral.

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2. The Past Regrets

Dominio de los modal perfects: equivalencias lógicas y rephrasing de nivel EBAU.

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3. The Echo Office

Reported speech: transformaciones temporales y verbos de reporte avanzados.

📊 MASTER TABLE: MODALS & SEMI-MODALS

Verb	Type	Function	Work Example
Can	Modal	Ability / Permission	I can manage datasets.
Could	Modal	Past Ability / Request	Could you help me?
Will	Modal	Future / Intentions	I will lead the project.
May / Might	Modal	Possibility	AI might change our tasks.
Must	Modal	Obligation / Deduction	You must sign the NDA.
Should	Modal	Advice	You should ask for a raise.
Would	Modal	Hypothetical	I would like to join.
Have to	Semi-Modal	External Obligation	I have to work in shifts.
Ought to	Semi-Modal	Moral Advice	We ought to be inclusive.
Had better	Semi-Modal	Strong Warning	You 'd better not be late!
Need to	Semi-Modal	Necessity	You need to update your CV.

📝 GRAMMAR REVISION: VERBOS MODALES Y MODALES PERFECTOS

Repasa la teoría fundamental y practica con ejercicios directos de modales.

01

MODALS IN DEPTH

A. Modales de Presente y sus Matices

💪 1. Ability & Skill (Habilidad)

CAN (Present)

"I can analyze financial trends."

(Habilidad general o puntual en el presente)

COULD (Past)

"She could speak five languages when she was 20."

(Habilidad general en el pasado)

BE ABLE TO (All tenses)

"I haven't been able to find the payslip yet."

Tip: Úsalo para tiempos que Can no tiene (Future, Present Perfect, Gerunds).

🔑 2. Permission & Requests (Permiso y Peticiones)

CAN

"Can I use the photocopier?"

(Informal)

COULD

"Could you help me with this task?"

(Formal/Polite)

MAY

"May I come in, sir?"

(Very formal)

⚖️ 3. Obligation & Necessity (Obligación y Necesidad)

MUST (Internal)

"I must call the manager today."

(Sientes que es tu deber personal)

HAVE TO (External)

"We have to clock in before 9:00."

(Obligación impuesta por normas o leyes)

NEED TO (Practical Necessity)

"You need to update your CV if you want a promotion."

📢 4. Advice & Suggestion (Consejo y Sugerencia)

SHOULD / OUGHT TO

"You should prepare for the interview."

Ought to is generally more formal and very similar to should for advice, although usage and nuance can differ.

SHALL (Suggestions/Offers)

"Shall I carry those folders for you?"

Usado en 1ª persona (I/We) para ofrecimientos.

🚫 5. Prohibition & Lack of Necessity

MUSTN'T (Prohibited)

"You mustn't share your passwords."

ESTÁ TOTALMENTE PROHIBIDO

DON'T HAVE TO / NEEDN'T (Optional)

"You needn't come on Saturday."

NO ES NECESARIO (SI QUIERES, VIENES)

🔮 6. Probability & Possibility

MAY

"It may rain today."

(Possibility)

MIGHT

"We might win."

(Possibility / uncertainty)

COULD

"It could be true."

(Possible outcome)

🧐 7. Logical Deduction (Presente)

MUST (Strong positive deduction)

"The lights are on. He must be at work."

CAN'T (Strong negative deduction)

"He is in Tokyo. He can't be at work today."

🚀 8. Future Intentions & Predictions (Will)

WILL (Decision/Promise)

"I will send you the final draft by noon."

Decisión instantánea o promesa formal.

WILL (Prediction)

"Experts believe AI will transform every industry."

Predicciones basadas en lo que creemos.

🚨 RED FLAG: Common Errors

• Error: He can to speak English. ➔ Correct: He can speak English.
• Error: I didn't must go. ➔ Correct: I didn't have to go.
• Error: She musts work. ➔ Correct: She must work. (No se añade 's' en 3ª pers).

B. Had Better Masterclass: Warnings

Se usa para consejos con una **consecuencia negativa** real. Had Better + Infinitive (no 'to').

➕ Affirmative Examples:

• "You 'd better check the AI report before the meeting."
• "We had better invest in upskilling training this year."
• "You had better research the company or you won't get the job."

➖ Negative Examples:

• "You had better not share your access keys."
• "Employees had better not ignore safety regulations."
• "You 'd better not miss the deadline for the application."

02

MODAL PERFECTS

Estructuras Clave (Equivalencias Lógicas)

Estructura	Equivalencia / Significado	Uso en EBAU
Must have + PP	Deducción fuerte (The evidence strongly suggests...)	Deducción muy probable sobre el pasado.
Can't have + PP	Deducción negativa fuerte (I'm sure it didn't...)	Incredulidad sobre el pasado.
Should have + PP	Consejo no realizado (It was a good idea, but...)	Lamento o reproche.
Might / May have + PP	Posibilidad pasada (Perhaps... / Maybe...)	Incertidumbre.
Needn't have + PP	Acción hecha innecesariamente (...but I did it)	Acción sobrante.

✏️ REPHRASING CHALLENGE

Reescribe las frases sin cambiar el significado original.

1. It was a mistake for you to shout at her.

➔ You (should)

2. I'm sure she didn't take your keys. She was with me.

➔ She (can't)

3. Perhaps he forgot about the meeting.

➔ He (might)

4. It's certain that they missed the train.

➔ They (must)

5. I bought a lot of food, but it wasn't necessary.

➔ I (needn't)

6. It was wrong of them not to tell us the truth.

➔ They (ought)

Soluciones y Explicación Lógica

1. You shouldn't have shouted at her.
Explicación: "It was a mistake" → Reproche negativo. Como fue un error hacerlo, usamos shouldn't have + participio.

2. She can't have taken your keys.
Explicación: "I'm sure... didn't" = Deducción negativa basada en pruebas. Usamos can't have + PP.

3. He might have forgotten the meeting.
Explicación: "Perhaps/Maybe" = Posibilidad. Se usa might have + PP.

4. They must have missed the train.
Explicación: "It's certain... did" = Certeza de que algo ocurrió. Usamos must have + PP.

5. I needn't have bought so much food.
Explicación: Acción ya realizada que resultó ser innecesaria. Usamos needn't have + PP.

6. They ought to have told us the truth.
Explicación: "It was wrong not to" = Debería haberse hecho. Usamos ought to have + PP.

Consejos para Selectividad:

• Fíjate en si la frase original es afirmativa o negativa.
• "It was a pity/mistake" suele transformarse con should have.
• "I'm sure" + pasado ➔ must have.
• "I'm sure... not" + pasado ➔ can't have.

03

REPORTED SPEECH

🚀 ¡PULSA AQUÍ PARA VER UNA EXPLICACIÓN DEL REPORTED SPEECH SUPER DETALLADA CON EJERCICIOS! 💡 THE LOGIC OF REPORTED SPEECH: DOMINA EL ESTILO INDIRECTO

A. The Backshift Master Table

Pres. Simple ➔ Past Simple

Past Simple ➔ Past Perfect

Will ➔ Would

Can ➔ Could

B. Questions & Orders

Questions (No 'do/does/did')

Wh-: "Where do you work?" ➔ He asked me where I worked.

Yes/No: "Do you like coding?" ➔ She asked if I liked coding.

Orders & Requests (To / Not to)

"Sign the contract!" ➔ He told me to sign the contract.

C. Advanced Reporting Verbs

Verb + -ING

"He suggested working from home."

Verb + To-Inf

"She offered to help."

Verb + Obj + To

"They warned me not to quit."

04

FINAL REVISION CHALLENGE

Part 1: Reported Speech (Estilo Indirecto)

Rewrite the following sentences starting with the words given.

1. "I bought this car yesterday," he said.

➔ He said that...

2. "Where are you going to spend your holidays?" she asked me.

➔ She asked me...

3. "Did you finish the report on time?" the boss asked him.

➔ The boss wanted to know...

4. "Don't open the window, please!" the teacher told the students.

➔ The teacher ordered the students...

5. "Let's go to the cinema tonight," Peter said.

➔ Peter suggested...

1. He said that he had bought that car the day before / the previous day.
2. where I was going to spend my holidays.
3. if / whether he had finished the report on time.
4. not to open the window.
5. going to the cinema that night.

Part 2: Modal Verbs & Perfect Modals

Rewrite the following sentences using a suitable modal or perfect modal verb.

1. I am absolutely sure he is British; he has a strong accent.

➔ He...

2. I am sure they didn't steal the money; they were with me.

➔ They...

3. It was a terrible mistake to lie to your parents.

➔ You...

4. It isn't necessary for you to bring a towel to the gym.

➔ You...

5. Smoking is strictly forbidden in this area.

➔ You...

1. He must be British.
2. They can't have stolen the money.
3. You shouldn't have lied to your parents.
4. You don't have to / needn't / don't need to bring a towel.
5. You mustn't / can't smoke in this area.

✅ Feedback para el Éxito

Aprovecha estas soluciones para entender por qué se hace cada cambio. En Selectividad/EBAU, los cambios de pronombres, tiempos verbales y expresiones de tiempo pueden ser decisivos en los ejercicios de transformación. Revisa siempre la frase completa y conserva el significado original.

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NOW PRACTISE: ENTER THE EBAU ARCADE

Ya tienes la teoría. Ahora conviértela en reflejos de examen: elige un juego, acumula puntos y detecta qué estructuras necesitas volver a revisar.

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English Exam Arcade · Round 1 50 preguntas de gramática de 2º Bachillerato/EBAU: conditionals, passives, inversion, modals y más.

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English Exam Arcade · Round 2 50 preguntas nuevas B2–B2+ para ampliar el entrenamiento y enfrentarte a estructuras diferentes.

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Ultimate Modal Challenge 50 preguntas centradas en modal verbs, modal perfects, reported speech y reporting verbs, con informe final.

Three games · 150 questions · Theory → Practice → Mastery.

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