Review P2 — Inglés Grado 9, Colombia

Bloom: Remember

Reviewing modals of deduction.

"I can't find my passport!"
"You ________ it in your suitcase. You were packing it this morning."

Ver respuesta

Respuesta correcta: C) must have left

A) can't have leftIncorrect. If you were packing, it's very possible you left it there.
B) should leaveIncorrect. Not for deduction.
C) must have leftCorrect! High probability deduction about a past action.
D) must leaveIncorrect. This refers to the present.

💡 Explicación

Usamos must have seguido del participio pasado para hacer una deducción lógica fuerte sobre algo que ocurrió en el pasado.

Bloom: Remember

Reviewing passive voice.

The first radio broadcast in Colombia ________ in 1929.

Ver respuesta

Respuesta correcta: C) was made

A) madeIncorrect. Active voice.
B) is madeIncorrect. Present tense.
C) was madeCorrect! Past Simple Passive for a finished historical event.
D) has been madeIncorrect. Specific past year requires Past Simple.

💡 Explicación

Para hechos históricos donde el objeto (la transmisión) es el foco, usamos el Pasado Simple Pasivo (was + participio).

Bloom: Understand

Reviewing conditionals.

If I ________ a world leader, I ________ laws to protect every citizen's digital privacy.

Ver respuesta

Respuesta correcta: C) were / would pass

A) am / will passIncorrect. Too unlikely for First Conditional.
B) was / will passIncorrect. Inconsistent tenses.
C) were / would passCorrect! Second Conditional for a hypothetical situation.
D) would be / passedIncorrect. "Would" doesn't go in the "if" clause.

💡 Explicación

El Segundo Condicional (were... would) es el tiempo estándar para hablar de sueños o situaciones imaginarias en el presente.

Bloom: Understand

Reviewing reported speech.

Direct Speech: "Where did you buy that traditional hat?"
Reported Speech: He asked me where I ________ that traditional hat.

Ver respuesta

Respuesta correcta: B) had bought

A) boughtIncorrect. Missing backshift.
B) had boughtCorrect! Past Simple shifts to Past Perfect in Reported Speech.
C) did buyIncorrect. Auxiliaries are not used in reported questions.
D) have boughtIncorrect. Inappropriate tense shift.

💡 Explicación

Al reportar una pregunta en pasado, el verbo retrocede al Pasado Perfecto (had bought) y el orden vuelve a ser el de una afirmación.

Bloom: Apply

Reviewing modal deductions with negative evidence.

He ________ the manager. He is too young and he doesn't know how the system works.

Ver respuesta

Respuesta correcta: D) can't be

A) mustn't beIncorrect. "Mustn't" is for prohibition.
B) might not beIncorrect. This is for less certain possibility.
C) couldn't have beenIncorrect. Refers to the past.
D) can't beCorrect! Strong negative deduction based on evidence.

💡 Explicación

Usamos can't cuando estamos seguros de que algo no es posible en el presente basándonos en evidencias o lógica.

Bloom: Apply

Reviewing passive with modals.

All historical sites ________ by visitors to ensure their preservation for future generations.

Ver respuesta

Respuesta correcta: A) must be respected

A) must be respectedCorrect! Modal Passive (modal + be + past participle).
B) must respectIncorrect. Active voice.
C) must respectedIncorrect. Missing "be".
D) must being respectedIncorrect. Grammatically incorrect.

💡 Explicación

La voz pasiva con modales es esencial para expresar reglas, obligaciones o consejos de manera formal y general.

Bloom: Analyze

Distinguishing between conditional meanings.

Which sentence expresses a real possibility?

Ver respuesta

Respuesta correcta: A) If we raise awareness, more people will join our cause.

A) If we raise awareness, more people will join our cause.Correct! First conditional is for real/likely future events.
B) If we raised awareness, more people would join our cause.Incorrect. This implies we are not currently raising awareness.
C) If we had raised awareness, more people would have joined.Incorrect. This refers to a past regret.
D) We will raise awareness unless more people join.Incorrect. This logic doesn't make sense in this context.

💡 Explicación

A nivel B2, el estudiante debe diferenciar el grado de probabilidad entre el Primer Condicional (real) y el Segundo (hipotético).

Bloom: Analyze

Reporting a request vs. a question.

The activist ________ to support the new law.

Ver respuesta

Respuesta correcta: A) urged us to support

A) urged us to supportCorrect! "Urge" is a reporting verb for strong requests, followed by object + to + infinitive.
B) asked if we canIncorrect. Mixed direct and indirect speech.
C) said us to supportIncorrect. "Say" cannot be used with an object + infinitive.
D) told that we supportIncorrect. Missing object and proper structure.

💡 Explicación

Existen diversos verbos de reporte (urge, advise, encourage) que siguen la estructura de peticiones/órdenes: objeto + to + infinitivo.

Bloom: Analyze

Complex deduction about a historical figure.

The ancient builders ________ very advanced tools, though we haven't found them yet.

Ver respuesta

Respuesta correcta: C) must have used

A) must useIncorrect. Present deduction.
B) can't have usedIncorrect. Contradicts the achievement.
C) must have usedCorrect! Deduction about the past based on the results (the buildings).
D) should have usedIncorrect. This is for unfulfilled obligations.

💡 Explicación

Para explicar logros del pasado cuya metodología exacta desconocemos, el must have permite proponer la explicación más lógica.

Bloom: Evaluate

Identifying an error in a summary of cultural trends.

Identify the error in this paragraph:
"Social media is used (A) by billions. Experts say that if we would spend (B) less time online, we would be (C) happier. They also told us to find (D) more offline hobbies."

Ver respuesta

Respuesta correcta: C) would spend

A) is usedIncorrect. Correct Present Passive.
B) would beIncorrect. Correct use of would in the result clause.
C) would spendCorrect! In the "if" clause of a conditional, we use past simple (spent), not would.
D) to findIncorrect. Correct reported request structure.

💡 Explicación

Recordar que nunca se coloca would inmediatamente después de if es una de las reglas de oro de los condicionales en el nivel B2.

Bloom: Evaluate

Judging the most polite reported question.

Which of these reported questions sounds the most polite and formal?

Ver respuesta

Respuesta correcta: B) He inquired whether I was interested in the position.

A) He asked what was my name.Incorrect. Incorrect word order for reported speech.
B) He inquired whether I was interested in the position.Correct! "Inquire" and "whether" are more formal than "ask" and "if".
C) He asked if I liked the job.Incorrect. This is correct but less formal than B.
D) He wanted to know why did I come.Incorrect. "Did" should not be in a reported question.

💡 Explicación

El uso de verbos de reporte más sofisticados (inquire) y el conector whether eleva el registro del lenguaje, algo esperado en estudiantes de nivel B2.

Bloom: Evaluate

Choosing the best integration of multiple structures.

Choose the most coherent summary:
"If cultures ________ more, stereotypes ________. That's why the teacher ________ us to learn about other traditions."

Ver respuesta

Respuesta correcta: B) interacted / would disappear / urged

A) interacted / will disappear / saidIncorrect. Mixed conditional and poor reporting.
B) interacted / would disappear / urgedCorrect! Second conditional for a desired state and proper reporting verb.
C) had interacted / would disappear / toldIncorrect. Third conditional doesn't fit the general advice.
D) interact / disappear / askedIncorrect. Zero conditional is too simplistic here.

💡 Explicación

Este ejercicio final integra el pensamiento hipotético (Second Conditional) con el reporte de una recomendación (Reported Request) en un contexto cultural.

Pregunta 1

Pregunta 2

Pregunta 3

Pregunta 4

Pregunta 5

Pregunta 6

Pregunta 7

Pregunta 8

Pregunta 9

Pregunta 10

Pregunta 11

Pregunta 12

¿Listo para practicar?