Present Perfect Experiences

Respuesta correcta: C) Have you ever eaten a cuy in Ecuador?

• A) Did you ever eat a cuy in Ecuador?'Did' plus base verb refers to a finished past event.
• B) Are you ever eating a cuy in Ecuador?The present continuous is not used for life experience.
• C) Have you ever eaten a cuy in Ecuador?Auxiliary 'have' plus participle 'eaten' is the structure for life experience.
• D) Do you ever eat a cuy in Ecuador?That form speaks about a habit, not about past experience.

Respuesta correcta: A) has never been

• A) has never been'Has never been' is the correct structure for a life experience with 'never'.
• B) has never beThe second verb must be the past participle 'been'.
• C) is never beingThe present continuous cannot express a life experience.
• D) was neverThe simple past would imply a specific past time.

Respuesta correcta: D) 'Have been' is experience; 'have gone' means the person is there now

• A) Both mean the person is currently in ParisOnly 'have gone' places the person in Paris at the time of speaking.
• B) 'Have been' refers to the future and 'have gone' to the pastBoth forms refer to past actions connected with the present.
• C) 'Have gone' is the simple past of 'go''Have gone' is a present perfect form, not a simple past.
• D) 'Have been' is experience; 'have gone' means the person is there nowThe difference lies in whether the person returned.

Respuesta correcta: B) Have you finished the project yet?

• A) Did you finish the project yet?'Did' requires the base form 'finish' and a past time.
• B) Have you finished the project yet?Auxiliary before the subject and participle 'finished' with 'yet'.
• C) Are you finish the project yet?'Are' cannot be combined with the participle 'finished'.
• D) Do you finished the project yet?'Do' plus participle is not a valid structure.

Respuesta correcta: A) How many times the action has occurred

• A) How many times the action has occurredCounting experiences is a standard use of the present perfect.
• B) How long the action lastedDuration would be expressed with 'for' plus a period.
• C) When the action will happenThe present perfect does not refer to the future.
• D) That the action is happening nowThe counting refers to repeated past occurrences.

Respuesta correcta: B) yesterday

• A) ever'Ever' is a present perfect marker used in questions about experience.
• B) yesterdayA finished past moment requires the simple past, not the present perfect.
• C) just'Just' is a present perfect marker meaning very recently.
• D) already'Already' is a present perfect marker meaning sooner than expected.

Respuesta correcta: A) went

• A) went'Went' is the simple past required by the closed past time 'in 2019'.
• B) have goneThe present perfect is incompatible with a finished past year.
• C) am goingThe present continuous places the action now, but the text says 2019.
• D) had goneThe past perfect would need another past reference point, which is absent.

Respuesta correcta: D) I have lived in Quito since I was born.

• A) I live in Quito since I was born.The simple present is not compatible with 'since' plus a past reference.
• B) I am living in Quito since I was born.The present continuous cannot be combined with 'since' in this usage.
• C) I live in Quito since my birth.'Since' does not take 'my birth' in that construction.
• D) I have lived in Quito since I was born.'Have lived since' states a situation that began in the past and continues.

Respuesta correcta: D) We have known each other since primary school.

• A) We have know each other since primary school.After 'have' the participle 'known' is required.
• B) We are know each other since primary school.'Are' plus participle is not a valid verb group.
• C) We have known each other from last year ago'Since' does not combine with 'ago' in the same expression.
• D) We have known each other since primary school.'Have known' plus 'since' expresses a situation continuing from the past.

Respuesta correcta: C) The action has not happened up to now

• A) The action will never happen'Yet' does not exclude a future occurrence.
• B) The action happened in the past'Not ... yet' negates a completed past occurrence.
• C) The action has not happened up to now'Yet' places the non-occurrence at the present moment.
• D) The action happens every day'Yet' has no relation to daily frequency.

Respuesta correcta: B) have lived

• A) livedThe simple past would not indicate that the situation still continues.
• B) have lived'Have lived' plus 'for' expresses a situation that began in the past and continues.
• C) are livingThe present continuous is possible but 'for ten years' fits the present perfect better.
• D) had livedThe past perfect would place the situation before another past reference.

Respuesta correcta: A) The results have just arrived.

• A) The results have just arrived.'Have just arrived' marks a very recent completed action.
• B) The results have arrived just.The adverb must sit between the auxiliary and the participle.
• C) The results just have arrived.The correct order is auxiliary plus adverb plus participle.
• D) The results have just arrive.The verb must be the participle 'arrived'.

Respuesta correcta: D) It links a past action to its present result

• A) It describes a daily routineA routine belongs to the simple present.
• B) It places the action in the distant pastA distant past event would use the simple past with a date.
• C) It expresses a future planNo future element appears in the sentence.
• D) It links a past action to its present resultThat is the core meaning of the present perfect.

Respuesta correcta: C) I have not seen that documentary.

• A) I not have seen that documentary.The auxiliary must precede the adverb 'not'.
• B) I have not saw that documentary.After 'have not' the participle 'seen' is required.
• C) I have not seen that documentary.'Have not seen' is the correct negative structure.
• D) I did not saw that documentary.That combines 'did' with an incorrect past form.

Respuesta correcta: D) 'Went' is not a participle, and 'last weekend' requires the past simple

• A) Nothing is wrong with the sentenceBoth the participle and the time expression are incorrect here.
• B) 'Coast' must be capitalizedA common noun written with 'the' does not need a capital letter.
• C) 'She' must be 'He'The pronoun agrees with the rest of the sentence and poses no problem.
• D) 'Went' is not a participle, and 'last weekend' requires the past simpleThe correct form is 'She went to the coast last weekend'.

Respuesta correcta: B) write - written

• A) work - worked"Work" is regular: it never changes before -ed, so its participle is simply "worked".
• B) write - writtenThe irregular participle 'written' drops the base form's final structure.
• C) open - opened"Open" keeps its final -en unchanged and simply adds -d, giving "opened".
• D) walk - walked"Walk" already ends in -k and only takes -ed, so "walked" is not an irregular participle.

Respuesta correcta: C) had already started

• A) has already startThe auxiliary would have to be 'had' with the participle 'started'.
• B) already startsThe simple present would not place the action before the arrival.
• C) had already startedThe past perfect places the start before the arrival mentioned.
• D) was already startingThe past continuous would not express completion before the arrival.

Respuesta correcta: B) He values his decision up to this point

• A) He will change his job next yearNo future event is mentioned in the text.
• B) He values his decision up to this point'Has never regretted' covers the whole period up to now.
• C) He was unhappy at the beginningThe text says he has never regretted it, which is the opposite.
• D) He worked in those countries simultaneouslyThe text does not specify when each job took place.

Respuesta correcta: A) Have you ever worked abroad?

• A) Have you ever worked abroad?'Have you ever' is the standard form for asking about experience.
• B) Did you work abroad yesterday?That question asks about a specific past time, not experience.
• C) Do you work abroad?That asks about a current or habitual situation.
• D) Will you work abroad?That asks about the future.

Respuesta correcta: C) I have lived here since I was a child.

• A) I lived here since I was a child.The simple past contradicts the ongoing meaning implied by 'since'.
• B) I live here since I was a child.The simple present is not compatible with 'since' plus a past reference.
• C) I have lived here since I was a child.'Have lived since' marks a situation that started in the past and continues.
• D) I was living here since I was a child.The past continuous does not express a situation that continues.