🇨🇴 ICFES SaberSemana 5 · 12 preguntas

Review P1

Bundle W05 de Inglés para Grado 9 en Colombia (DBA MEN Colombia): 12 preguntas con explicación pedagógica.

Alineación: DBA MEN Colombia

CO-ING-9-2026-W05-review-p1-001-MASTERY-bundle

Pregunta 1

Bloom: Remember

Reviewing shopping habits.

Since the new mall opened, I ________ there at least five times to look for eco-friendly products.

Elige una opción para comprobar tu respuesta.

Ver respuesta

Respuesta correcta: C) have been

  • A) wentIncorrect. "Since" requires the Present Perfect.
  • B) am goingIncorrect. This refers to the present or future arrangement.
  • C) have beenCorrect! Present Perfect is used for actions in an unfinished period starting in the past.
  • D) had beenIncorrect. Past Perfect is for an action before another past action.

💡 Explicación

Para acciones que han ocurrido repetidamente desde un punto en el pasado hasta el presente, utilizamos el Present Perfect.

Pregunta 2

Bloom: Remember

Reviewing past sequence of events.

By the time the internet finally connected, I ________ to fix the router for over an hour.

Elige una opción para comprobar tu respuesta.

Ver respuesta

Respuesta correcta: B) had been trying

  • A) triedIncorrect. Doesn't show the duration before the connection.
  • B) had been tryingCorrect! Past Perfect Continuous shows an ongoing action before another past event.
  • C) have been tryingIncorrect. This is present, but "connected" is past.
  • D) was tryingIncorrect. This doesn't emphasize the duration as well as Past Perfect Continuous.

💡 Explicación

El Pasado Perfecto Continuo es ideal para resaltar cuánto tiempo estuvimos realizando una actividad antes de que ocurriera otra cosa en el pasado.

Pregunta 3

Bloom: Understand

Reviewing future predictions.

Experts believe that in the next few years, more people ________ their own renewable energy at home.

Elige una opción para comprobar tu respuesta.

Ver respuesta

Respuesta correcta: B) will be generating

  • A) have generatedIncorrect. This is Present Perfect.
  • B) will be generatingCorrect! Future Continuous describes an action that will be in progress or a standard situation in the future.
  • C) generatedIncorrect. This is Past Simple.
  • D) are generatingIncorrect. This is usually for fixed arrangements.

💡 Explicación

El Futuro Continuo se usa frecuentemente para proyectar situaciones que serán normales o estarán ocurriendo en un punto específico del futuro.

Pregunta 4

Bloom: Understand

Comparing Present Perfect Simple and Continuous.

"Why are your eyes red?"
"I ________ a documentary about the climate crisis, and it was very moving."

Elige una opción para comprobar tu respuesta.

Ver respuesta

Respuesta correcta: C) have been watching

  • A) have watchedIncorrect. The continuous form is better to explain a present result of a recent activity.
  • B) had watchedIncorrect. Past Perfect doesn't explain a current physical state as well.
  • C) have been watchingCorrect! Present Perfect Continuous explains a present state resulting from a recent continuous action.
  • D) watchIncorrect. Simple present is for habits.

💡 Explicación

Usamos el Presente Perfecto Continuo para explicar por qué alguien tiene un aspecto determinado en el presente (ojos rojos) debido a una actividad reciente.

Pregunta 5

Bloom: Apply

Contrasting Past Simple and Present Perfect.

In 2020, we ________ to live more sustainably, and we ________ our habits since then.

Elige una opción para comprobar tu respuesta.

Ver respuesta

Respuesta correcta: C) decided / have changed

  • A) have decided / changedIncorrect. "In 2020" requires Past Simple.
  • B) decided / changedIncorrect. "Since then" requires Present Perfect.
  • C) decided / have changedCorrect! Past Simple for the specific year and Present Perfect for the ongoing change.
  • D) have decided / have changedIncorrect. "In 2020" cannot be used with Present Perfect.

💡 Explicación

Este ejercicio evalúa la capacidad de alternar entre un evento puntual en el pasado (decided) y un proceso que llega hasta hoy (have changed).

Pregunta 6

Bloom: Apply

Describing a future achievement.

By the end of this course, we ________ how to analyze the influence of advertising on our choices.

Elige una opción para comprobar tu respuesta.

Ver respuesta

Respuesta correcta: B) will have learned

  • A) will learnIncorrect. Simple future just states the fact.
  • B) will have learnedCorrect! Future Perfect shows an action that will be completed by a certain future time.
  • C) will be learningIncorrect. This shows the process, not the completion.
  • D) are learningIncorrect. This is for current or arranged future actions.

💡 Explicación

El Futuro Perfecto es la forma correcta para hablar de metas que habremos alcanzado al llegar a un momento determinado en el futuro (By the end...).

Pregunta 7

Bloom: Analyze

Distinguishing Past Perfect nuance.

Which sentence means that the hackers were still working when they were stopped?

Elige una opción para comprobar tu respuesta.

Ver respuesta

Respuesta correcta: B) The hackers had been accessing the files when the police arrived.

  • A) The hackers had accessed the files when the police arrived.Incorrect. This implies they had already finished the access.
  • B) The hackers had been accessing the files when the police arrived.Correct! Past Perfect Continuous shows the action was ongoing at that moment.
  • C) The hackers have been accessing the files.Incorrect. This is present, not past.
  • D) The hackers accessed the files.Incorrect. Simple past doesn't show the "in progress" relationship well.

💡 Explicación

La forma continua del Pasado Perfecto permite visualizar que una acción estaba ocurriendo justo cuando fue interrumpida por otro evento pasado.

Pregunta 8

Bloom: Analyze

Understanding time markers.

Select the most appropriate sentence for a person who started a diet three weeks ago and is still doing it.

Elige una opción para comprobar tu respuesta.

Ver respuesta

Respuesta correcta: B) I have been on a diet for three weeks.

  • A) I started a diet for three weeks.Incorrect. "Started" is a point, not a duration.
  • B) I have been on a diet for three weeks.Correct! "For" is used for periods of time with Present Perfect.
  • C) I have been on a diet since three weeks.Incorrect. "Since" needs a specific starting point (date/time), not a period.
  • D) I am on a diet three weeks ago.Incorrect. "Ago" is only for Past Simple.

💡 Explicación

For se utiliza para indicar la duración de un periodo, mientras que since se usa para el punto de inicio. Ambas son fundamentales con el Present Perfect.

Pregunta 9

Bloom: Analyze

Future plans vs. arrangement.

"Do you have any plans for the environmental fair?"
"Yes, I ________ a presentation on solar energy at 10:00 AM."

Elige una opción para comprobar tu respuesta.

Ver respuesta

Respuesta correcta: C) am giving

  • A) will giveIncorrect. This is for spontaneous decisions.
  • B) am going to giveIncorrect. This is a general intention, but the specific time suggests an arrangement.
  • C) am givingCorrect! Present Continuous is best for fixed appointments or scheduled events.
  • D) giveIncorrect. Simple present is for general timetables.

💡 Explicación

Al mencionar una hora específica para un evento organizado, el Presente Continuo es la forma más natural para indicar que el arreglo ya está hecho.

Pregunta 10

Bloom: Evaluate

Error correction in a text about tech evolution.

Identify the error in this paragraph:
"Before smartphones became (A) common, we had been using (B) basic cell phones for years. Nowadays, technology has advanced (C) so much that soon we will have used (D) AI for almost everything."

Elige una opción para comprobar tu respuesta.

Ver respuesta

Respuesta correcta: B) will have used

  • A) becameIncorrect. Correct use of Past Simple.
  • B) will have usedCorrect! This should be Future Continuous (will be using) because it refers to the ongoing state in the future, not its completion.
  • C) had been usingIncorrect. Correct use of Past Perfect Continuous for duration before a past event.
  • D) has advancedIncorrect. Correct use of Present Perfect for recent changes.

💡 Explicación

El contexto sugiere que en el futuro el uso de la IA será una actividad continua y normal, por lo que el Futuro Continuo es más adecuado que el Futuro Perfecto.

Pregunta 11

Bloom: Evaluate

Comparing nuances of "just".

Situation: You see a friend who looks very healthy and energetic.
Which question is the most natural to ask about their recent lifestyle?

Elige una opción para comprobar tu respuesta.

Ver respuesta

Respuesta correcta: A) Have you been exercising lately?

  • A) Have you been exercising lately?Correct! Focuses on the recent ongoing activity that explains their current state.
  • B) Did you exercise lately?Incorrect. "Lately" requires Present Perfect.
  • C) Had you been exercising lately?Incorrect. This refers to a past time, not now.
  • D) Will you be exercising lately?Incorrect. Doesn't make sense for a present observation.

💡 Explicación

Para indagar sobre la causa de un estado presente positivo que parece ser resultado de una actividad reciente, la forma continua del Presente Perfecto es la más apropiada.

Pregunta 12

Bloom: Evaluate

Choosing the most coherent conclusion for a summary.

Choose the best summary of the first term's themes:
"We have explored how our past choices ________ our current environment. By understanding what ________ before the digital age, we can better predict how our habits ________ our future."

Elige una opción para comprobar tu respuesta.

Ver respuesta

Respuesta correcta: D) have affected / had happened / will be affecting

  • A) affected / happened / will affectIncorrect. Doesn't use the full range of B2 tenses.
  • B) had affected / has happened / will have affectedIncorrect. Tenses are logically misplaced.
  • C) affect / happen / affectIncorrect. Too simple for B2 level.
  • D) have affected / had happened / will be affectingCorrect! Present Perfect for recent impact, Past Perfect for the distant past, and Future Continuous for future influence.

💡 Explicación

Este ejercicio final requiere integrar los tres planos temporales (pasado, presente y futuro) usando las formas perfectas y continuas que caracterizan el nivel B2.

¿Listo para practicar?

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