A school handbook lists the certificates required of every student.
The school requires that every student ____ a first aid certificate.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)have
💡 Explicación
The subjunctive is identical to the base form of the verb. It never changes for person, unlike the indicative.
Ver respuesta
Respuesta correcta: A)have
A)haveCorrect! After 'requires that' with a third person subject, the subjunctive keeps the base form 'have'.
B)has'Has' is the indicative form, which is used when the subject agrees with the verb.
C)had'Had' is the past, and the requirement applies to the present.
D)having'Having' is a participle and cannot follow a verb of demand in the subjunctive.
💡 Explicación
The subjunctive is identical to the base form of the verb. It never changes for person, unlike the indicative.
Pregunta 2
Pregunta 2 · D4Bloom: Apply
A medical consultation ends with a recommendation about daily habits.
The doctor recommended that she ____ eight glasses of water a day.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: B)drink
💡 Explicación
Verbs of suggestion such as 'recommend', 'suggest', 'advise' and 'propose' take a 'that' clause in the subjunctive.
Ver respuesta
Respuesta correcta: B)drink
A)drinks'Drinks' is the indicative, which would be used with a clause of its own.
B)drinkCorrect! 'Drink' is the base form required by the subjunctive after a verb of recommendation.
C)drank'Drank' is the past simple, and the advice concerns a present habit.
D)drinking'Drinking' is a participle and cannot complete a subjunctive clause.
💡 Explicación
Verbs of suggestion such as 'recommend', 'suggest', 'advise' and 'propose' take a 'that' clause in the subjunctive.
Pregunta 3
Pregunta 3 · D4Bloom: Apply
A teacher states a general condition for participation in a practical session.
It is important that every student ____ the safety rules during the laboratory practice.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: C)follow
💡 Explicación
'It is important that' belongs to the family of expressions that impose a value, and they all select the subjunctive.
Ver respuesta
Respuesta correcta: C)follow
A)follows'Follows' is the indicative, which would be correct without the subjunctive trigger.
B)followed'Followed' is the past simple and does not fit a general requirement.
C)followCorrect! 'Follow' is the base form that the subjunctive requires in a that clause after 'it is important'.
D)will follow'Will follow' is a future form and would be an indicative prediction.
💡 Explicación
'It is important that' belongs to the family of expressions that impose a value, and they all select the subjunctive.
Pregunta 4
Pregunta 4 · D5Bloom: Analyze
A supervisor reacts to a delay in a written deliverable.
The manager insisted that the report ____ before the end of the week.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: D)be
💡 Explicación
Verbs of insistence are the strongest triggers of the subjunctive, and the verb 'be' is irregular, so only the base form works.
Ver respuesta
Respuesta correcta: D)be
A)is'Is' is the indicative, which the insistence in the sentence rules out.
B)was'Was' is the past and the insistence concerns a future deadline.
C)will be'Will be' is a future indicative and would remove the pressure of the demand.
D)beCorrect! 'Be' is the base form used in the subjunctive, not 'is'.
💡 Explicación
Verbs of insistence are the strongest triggers of the subjunctive, and the verb 'be' is irregular, so only the base form works.
Pregunta 5
Pregunta 5 · D4Bloom: Apply
A legal consultation reviews a document that two parties intend to sign.
The lawyer suggested that he ____ a written contract before signing anything.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)sign
💡 Explicación
The subjunctive removes all tense marking. What the reader infers about time comes from the surrounding sentence.
Ver respuesta
Respuesta correcta: A)sign
A)signCorrect! 'Sign' is the base form required after a verb of suggestion in a that clause.
B)signs'Signs' is the indicative form, used when the clause stands on its own.
C)signed'Signed' is the past simple, and the signing has not happened yet.
D)signing'Signing' is a participle and cannot fill the verb slot of the clause.
💡 Explicación
The subjunctive removes all tense marking. What the reader infers about time comes from the surrounding sentence.
Pregunta 6
Pregunta 6 · D4Bloom: Apply
A school publishes the rules that candidates must follow in an exam hall.
The regulation demands that no student ____ a mobile phone into the examination room.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: B)bring
💡 Explicación
A 'no' inside a 'that' clause after a verb of demand still produces the subjunctive with the base form.
Ver respuesta
Respuesta correcta: B)bring
A)brings'Brings' is the indicative, which would contradict the demand for the subjunctive.
B)bringCorrect! 'Bring' is the base form of the verb in a negated subjunctive clause.
C)brought'Brought' is the past simple and the rule applies to every session.
D)bringing'Bringing' is a participle and cannot serve as the verb of the clause.
💡 Explicación
A 'no' inside a 'that' clause after a verb of demand still produces the subjunctive with the base form.
Pregunta 7
Pregunta 7 · D3Bloom: Apply
A working group debates the date of its next session.
I suggest that we ____ the meeting until the weather improves.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: C)postpone
💡 Explicación
With any subject at all, the subjunctive verb is the bare infinitive. Agreement with the subject belongs to the indicative only.
Ver respuesta
Respuesta correcta: C)postpone
A)postpones'Postpones' is the indicative, and the subject here is 'we' in any case.
B)postponed'Postponed' is the past simple, and the action is still proposed for the future.
C)postponeCorrect! 'Postpone' is the base form the subjunctive requires after 'suggest that we'.
D)postponing'Postponing' is a participle and cannot be the verb of a that clause.
💡 Explicación
With any subject at all, the subjunctive verb is the bare infinitive. Agreement with the subject belongs to the indicative only.
Pregunta 8
Pregunta 8 · D4Bloom: Apply
A family discussion concerns a year of study in another country.
Her parents insisted that she ____ abroad for the whole year.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: D)study
💡 Explicación
The subjunctive signals the speaker's distance from the demand, and the base form is the visible mark of that mood.
Ver respuesta
Respuesta correcta: D)study
A)studies'Studies' is the indicative form, which matches the subject but not the mood.
B)studied'Studied' is the past simple, and the sentence concerns an ongoing arrangement.
C)studying'Studying' is a participle and cannot complete the clause.
D)studyCorrect! 'Study' is the base form used in a subjunctive clause after a verb of insistence.
💡 Explicación
The subjunctive signals the speaker's distance from the demand, and the base form is the visible mark of that mood.
Pregunta 9
Pregunta 9 · D5Bloom: Analyze
A teacher sets conditions for the acceptance of a written piece.
The teacher demanded that the essay ____ in the student's own handwriting.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)be
💡 Explicación
Because 'be' is irregular, the subjunctive form and the present indicative form are different words. That difference is the clearest illustration of the mood.
Ver respuesta
Respuesta correcta: A)be
A)beCorrect! 'Be' is the base form of the verb 'be' in the subjunctive.
B)is'Is' is the indicative, and a demand does not use it.
C)was'Was' is the past, and the essay has not been written yet.
D)will be'Will be' is a future indicative and states a prediction instead of a condition.
💡 Explicación
Because 'be' is irregular, the subjunctive form and the present indicative form are different words. That difference is the clearest illustration of the mood.
Pregunta 10
Pregunta 10 · D4Bloom: Apply
An employer lists the conditions of access to a workplace.
The company requires that every employee ____ a safety briefing before starting work.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: B)receive
💡 Explicación
The subjunctive is the mood of requirements, so the base form appears even when the subject is a third person singular noun.
Ver respuesta
Respuesta correcta: B)receive
A)receives'Receives' is the indicative, which agrees with the subject but not with the mood.
B)receiveCorrect! 'Receive' is the base form the subjunctive demands after a third person subject.
C)received'Received' is the past simple and the briefing is still ahead.
D)receiving'Receiving' is a participle and cannot be the verb of the clause.
💡 Explicación
The subjunctive is the mood of requirements, so the base form appears even when the subject is a third person singular noun.
Pregunta 11
Pregunta 11 · D4Bloom: Apply
A flatmate gives an instruction about leaving a ventilated room.
I would rather you ____ the window before you leave the room.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: C)close
💡 Explicación
'Would rather' is one of the classic subjunctive triggers in modern English, alongside 'suggest' and 'insist'.
Ver respuesta
Respuesta correcta: C)close
A)closes'Closes' is the indicative, and 'would rather' does not use it.
B)closed'Closed' is the past simple, and the window is still open.
C)closeCorrect! 'Close' is the base form the subjunctive takes after 'would rather'.
D)closing'Closing' is a participle and cannot complete a that clause.
💡 Explicación
'Would rather' is one of the classic subjunctive triggers in modern English, alongside 'suggest' and 'insist'.
Pregunta 12
Pregunta 12 · D5Bloom: Analyze
A court session proceeds after a formal instruction to the people present.
The judge ruled that the witness ____ tell the truth for the rest of the session.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: D)must
💡 Explicación
Modals have no inflection, so the subjunctive and the indicative forms coincide. Only main verbs show the difference.
Ver respuesta
Respuesta correcta: D)must
A)musts'Musts' does not exist as a verb form; modal verbs never take an -s ending.
B)musted'Musted' is not a form of a modal verb.
C)musting'Musting' is not a form of a modal verb either.
D)mustCorrect! The modal 'must' is already in its base form, so it stays unchanged in the subjunctive.
💡 Explicación
Modals have no inflection, so the subjunctive and the indicative forms coincide. Only main verbs show the difference.
Pregunta 13
Pregunta 13 · D4Bloom: Apply
An organisation's governing body discusses a financial plan at a formal meeting.
The board demanded that the budget ____ before the end of the fiscal year.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)approve
💡 Explicación
The demand makes the clause non-asserted, which is precisely the context in which English uses the subjunctive base form.
Ver respuesta
Respuesta correcta: A)approve
A)approveCorrect! 'Approve' is the base form required in a subjunctive that clause.
B)approves'Approves' is the indicative and would be used only without the demand.
C)approved'Approved' is the past simple, and the approval is still pending.
D)approving'Approving' is a participle and cannot act as the verb of the clause.
💡 Explicación
The demand makes the clause non-asserted, which is precisely the context in which English uses the subjunctive base form.
Pregunta 14
Pregunta 14 · D4Bloom: Apply
A hospital ward states a condition attached to a patient's care.
It is vital that the nurse ____ the patient's temperature every hour.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: B)check
💡 Explicación
Expressions of necessity or importance with 'it' as the subject select the subjunctive in the following that clause.
Ver respuesta
Respuesta correcta: B)check
A)checks'Checks' is the indicative, which ignores the evaluative expression that triggers the subjunctive.
B)checkCorrect! 'Check' is the base form used in a subjunctive clause after 'it is vital'.
C)checked'Checked' is the past simple, and the checks are still going on.
D)checking'Checking' is a participle and cannot serve as the verb.
💡 Explicación
Expressions of necessity or importance with 'it' as the subject select the subjunctive in the following that clause.
Pregunta 15
Pregunta 15 · D4Bloom: Apply
Two travellers ask an agent for advice before booking a stay.
The travel agent recommended that we ____ the cheaper hotel in the centre.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: C)book
💡 Explicación
A verb of suggestion with a 'that' clause and a plural subject still takes the bare infinitive, which is the whole point of the subjunctive.
Ver respuesta
Respuesta correcta: C)book
A)books'Books' is the indicative form of a third person verb, and the subject is 'we'.
B)booked'Booked' is the past simple, and no reservation has been made yet.
C)bookCorrect! 'Book' is the base form the subjunctive requires after a verb of recommendation.
D)booking'Booking' is a participle and cannot complete a that clause.
💡 Explicación
A verb of suggestion with a 'that' clause and a plural subject still takes the bare infinitive, which is the whole point of the subjunctive.
Pregunta 16
Pregunta 16 · D5Bloom: Analyze
A school announces the arrangements agreed for an academic competition.
Everyone agreed that the first round of the competition ____ take place in the main hall.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: D)will
💡 Explicación
With modal verbs the subjunctive is invisible, which is why 'will' works in the same slot where a main verb would need its base form.
Ver respuesta
Respuesta correcta: D)will
A)wills'Wills' is not a verb form; a modal never takes an -s ending.
B)willed'Willed' is a rare past form of a full verb, not of the modal.
C)willing'Willing' is an adjective, and it cannot serve as the verb of the clause.
D)willCorrect! The modal 'will' has no inflection, so it is already the form the subjunctive requires.
💡 Explicación
With modal verbs the subjunctive is invisible, which is why 'will' works in the same slot where a main verb would need its base form.
Pregunta 17
Pregunta 17 · D4Bloom: Apply
A school leadership communicates a decision to parents at a meeting.
The principal insisted that every family ____ the new uniform policy before the term begins.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)accept
💡 Explicación
The subjunctive also marks the speaker's distance from a decision that is presented as an external requirement rather than a personal claim.
Ver respuesta
Respuesta correcta: A)accept
A)acceptCorrect! 'Accept' is the base form required after a verb of insistence in a that clause.
B)accepts'Accepts' is the indicative, which would not record the pressure of the demand.
C)accepted'Accepted' is the past simple, and the term has not begun.
D)accepting'Accepting' is a participle and cannot be the verb of the clause.
💡 Explicación
The subjunctive also marks the speaker's distance from a decision that is presented as an external requirement rather than a personal claim.
Pregunta 18
Pregunta 18 · D5Bloom: Analyze
A client contacts a service company about repeated visits to the same machine.
The customer complained that the technician ____ repair the same fault twice.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: B)have not
💡 Explicación
With auxiliary 'have' the subjunctive uses 'have' and not 'has', and the negative form is 'have not'.
Ver respuesta
Respuesta correcta: B)have not
A)has not'Has not' is the indicative form, used when the clause is asserted as true.
B)have notCorrect! 'Have not' is the form the subjunctive takes with the auxiliary 'have' in a negative clause.
C)had not'Had not' is the past, and the complaint concerns the recent service visits.
D)will not'Will not' is a future form, and the events reported are already finished.
💡 Explicación
With auxiliary 'have' the subjunctive uses 'have' and not 'has', and the negative form is 'have not'.
Pregunta 19
Pregunta 19 · D4Bloom: Apply
A publishing team reviews a draft before it is sent to print.
The editor demanded that the article ____ a conclusion written in one sentence.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: C)include
💡 Explicación
A demand frames the requirement as external, and the subjunctive is the grammatical way of showing that the speaker is reporting it rather than asserting it.
Ver respuesta
Respuesta correcta: C)include
A)includes'Includes' is the indicative and would treat the demand as a plain statement.
B)included'Included' is the past simple, and the article is still being edited.
C)includeCorrect! 'Include' is the base form the subjunctive requires after 'demanded that'.
D)including'Including' is a participle and cannot be the verb of the clause.
💡 Explicación
A demand frames the requirement as external, and the subjunctive is the grammatical way of showing that the speaker is reporting it rather than asserting it.
Pregunta 20
Pregunta 20 · D4Bloom: Apply
An examination centre publishes its rules before a session begins.
The exam instructions warned that candidates ____ their identity cards to the invigilator.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: D)hand
💡 Explicación
Verbs such as 'warn', 'insist', 'demand', 'recommend' and 'suggest' all place the following clause in the subjunctive.
Ver respuesta
Respuesta correcta: D)hand
A)hands'Hands' is the indicative, which would not record a warning as a condition.
B)handed'Handed' is the past simple, and the instruction is about what is still to be done.
C)handing'Handing' is a participle and cannot complete the clause.
D)handCorrect! 'Hand' is the base form the subjunctive takes in a that clause after a verb of warning.
💡 Explicación
Verbs such as 'warn', 'insist', 'demand', 'recommend' and 'suggest' all place the following clause in the subjunctive.
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