Future Continuous Perfect

Respuesta correcta: B) This time tomorrow she will be flying to Madrid.

• A) This time tomorrow she will fly to Madrid.That describes the action from the start, not from the middle.
• B) This time tomorrow she will be flying to Madrid.'Will be flying' places her in the middle of the action tomorrow.
• C) This time tomorrow she flies to Madrid.The simple present is not the future continuous form.
• D) This time tomorrow she would flying to Madrid.'Would' cannot be followed by a gerund in this structure.

Respuesta correcta: B) The action will be in progress at that future moment

• A) The action will start exactly at that momentThe start would be described by 'will begin'.
• B) The action will be in progress at that future moment'Will be' plus gerund marks an action ongoing at a future point.
• C) The action finished in the pastThe future continuous places everything ahead of the reference moment.
• D) The action is happening nowThe present continuous refers to the present, not the future.

Respuesta correcta: C) will be studying

• A) will studyThat describes a future event, not an action in progress at that moment.
• B) am studyingThe present continuous refers to now, not to next year.
• C) will be studying'Will be studying' describes the ongoing state at that future moment.
• D) studiedThe simple past refers to a completed action before the reference.

Respuesta correcta: B) By December she will have graduated from university.

• A) By December she will graduate from university.That describes the event itself, not its completion before a point.
• B) By December she will have graduated from university.'Will have graduated' places the completion before December.
• C) By December she graduates from university.The simple present does not express a future completed action.
• D) By December she has graduated from university.The present perfect refers to the present, not to the future.

Respuesta correcta: B) The first is the event; the second is its completion before that moment

• A) Both mean the report will be finished tomorrow eveningThe second means completion before tomorrow, not during tomorrow.
• B) The first is the event; the second is its completion before that moment'Will finish' is the event, 'will have finished' the prior completion.
• C) The second refers to the pastThe future perfect refers to a moment ahead of now.
• D) The first implies a plan and the second a habitBoth forms can express plans; the difference is timing.

Respuesta correcta: A) will have been waiting

• A) will have been waiting'Will have been waiting' plus 'by the time' gives the total duration before that moment.
• B) will be waitingThat describes the action at the arrival moment, not the duration before it.
• C) have been waitingThe present perfect refers to the present, not to a future point.
• D) are waitingThe present continuous refers to now.

Respuesta correcta: D) by next June

• A) every day'Every day' marks a habit and requires the simple present.
• B) yesterday'Yesterday' is a past marker and requires a past tense.
• C) now'Now' points to the present, where the present perfect applies instead.
• D) by next June'By' plus a deadline is the classic signal of the future perfect.

Respuesta correcta: D) 'Finish' must be the participle 'finished'.

• A) Nothing is wrong with the sentenceThe base form after 'will have' is a clear error.
• B) 'Will' must be 'would'The auxiliary depends on the reference point, not on the participle.
• C) 'Exam' must be pluralThe noun form does not affect the verb structure.
• D) 'Finish' must be the participle 'finished'.The future perfect requires the past participle after 'will have'.

Respuesta correcta: B) They will be in the middle of the budget review at eight

• A) They will start the review exactly at eightA start at eight would be 'will begin the review'.
• B) They will be in the middle of the budget review at eight'Will be reviewing' places the action in progress at that hour.
• C) They will have finished the review at eightCompletion before eight is not what the sentence says.
• D) They will review the budget every weekNo repetition is expressed in the text.

Respuesta correcta: D) By the time the ambulance arrived, the police had already controlled the traffic.

• A) By the time the ambulance arrived, the police have controlled the traffic.The present perfect cannot be placed before a past reference point.
• B) By the time the ambulance is arriving, the police had controlled the traffic.The progressive future does not fit a past reference point.
• C) By the time the ambulance arrived, the police will have controlled the traffic.The future perfect cannot refer to a moment before the reference point.
• D) By the time the ambulance arrived, the police had already controlled the traffic.'Had already controlled' places the action before the arrival.

Respuesta correcta: A) will have started

• A) will have started'Will have started' places the beginning of the film before our arrival.
• B) will startThat places the start at or after the arrival moment.
• C) has startedThe present perfect refers to the present, not to a future arrival.
• D) had startedThe past perfect would require a past reference point.

Respuesta correcta: D) It describes the state of the action at that future moment

• A) It states when the action beginsA beginning would be expressed with 'will start studying'.
• B) It states how long the action has lastedDuration before that moment requires the future perfect continuous.
• C) It expresses a past actionThe whole form belongs to the future.
• D) It describes the state of the action at that future momentThe continuous highlights the ongoing activity rather than its beginning.

Respuesta correcta: A) Will you have finished the assignment by Friday?

• A) Will you have finished the assignment by Friday?'Will have' plus participle forms the future perfect question correctly.
• B) Do you will have finished the assignment by Friday?Auxiliaries cannot be stacked: 'do' is not used with 'will have'.
• C) Will you have finish the assignment by Friday?After 'will have' the participle 'finished' is required.
• D) Have you will finish the assignment by Friday?The order of the two auxiliaries is inverted and incorrect.

Respuesta correcta: C) She will be working at the office until five.

• A) She will works at the office until five.That is the simple future with an incorrect third person form.
• B) She will be work at the office until five.The base form after 'will be' is the same original error.
• C) She will be working at the office until five.'Working' is the gerund required after 'will be'.
• D) She will being working at the office until five.Two verb forms cannot be combined in that way.

Respuesta correcta: D) The train will be gone by the time you reach the station

• A) The train will leave exactly when you arriveThe text places the departure before, not simultaneous with, the arrival.
• B) The train will wait for youNothing in the sentence suggests waiting.
• C) The train will arrive after youThe text speaks about departure, not arrival.
• D) The train will be gone by the time you reach the stationThe departure is completed before the arrival reference point.

Respuesta correcta: C) By midnight they will have been working for twelve hours.

• A) By midnight they will be working for twelve hours.That describes the action ongoing at midnight without giving the prior duration.
• B) By midnight they will have worked for twelve hours.The future perfect simple would state the duration but not emphasise the ongoing process.
• C) By midnight they will have been working for twelve hours.'Will have been working' plus 'for' gives the total duration up to that future point.
• D) By midnight they have been working for twelve hours.The present perfect refers to the present, not to a future midnight.

Respuesta correcta: A) will probably be writing

• A) will probably be writing'Will be writing' answers what will be in progress at that hour.
• B) wroteThe simple past refers to a completed action before the reference.
• C) am writingThe present continuous refers to now, not to midnight.
• D) have writtenThe present perfect refers to a time up to the present.

Respuesta correcta: C) It places an action as completed before a future reference point

• A) It describes a repeated action in the futureRepetition is expressed by 'will' plus simple present.
• B) It refers only to events that never happenThe future perfect concerns expected or scheduled events.
• C) It places an action as completed before a future reference pointThat is exactly what the future perfect does.
• D) It is used only in questionsThe form appears in statements as well as in questions.

Respuesta correcta: A) Next July we will be travelling through the Andes

• A) Next July we will be travelling through the Andes'Will be travelling' describes the ongoing activity during that period.
• B) Next July we will travel through the AndesThat describes the trip as an event, not as an ongoing state.
• C) Next July we are travelling through the AndesThe present continuous would suggest the trip is happening now.
• D) Next July we travelled through the AndesThe simple past contradicts the future reference.

Respuesta correcta: C) The construction will be finished before the end of the year

• A) The construction will start before the end of the yearThe start is not what the future perfect states.
• B) The construction lasts all yearThe sentence does not describe a duration of work across the whole year.
• C) The construction will be finished before the end of the yearCompletion is placed before the reference deadline.
• D) The construction was finished last yearThe reference point is ahead, not behind.