Repaso P4

Respuesta correcta: A) They went to the coast last Saturday.

• A) They went to the coast last Saturday.Correct! 'Went' is the past simple of the irregular verb 'go'.
• B) They goed to the coast last Saturday.'Goed' does not exist in English; irregular verbs have a fixed past form.
• C) They gone to the coast last Saturday.'Gone' is the past participle, which needs 'have' or 'be' before it.
• D) They going to the coast last Saturday.'Going' is the present participle, which needs 'be' before it.

Respuesta correcta: B) She has been waiting for the bus for twenty minutes.

• A) She is wait for the bus for twenty minutes.'Is wait' mixes the auxiliary 'is' with the base form, which is not a possible combination.
• B) She has been waiting for the bus for twenty minutes.Correct! 'Has been waiting' is the present perfect continuous and the verb 'wait' takes no object here.
• C) She has waited the bus for twenty minutes.'Waited' cannot be used with 'for' plus a duration in this structure, and a bus cannot be waited as an object here.
• D) She have been waiting the bus since twenty minutes.'Have' does not agree with the third person subject 'she'.

Respuesta correcta: C) The new library was built in 1998.

• A) The new library was build in 1998.'Was build' uses the base form after the auxiliary, which is wrong in the passive.
• B) The new library is built in 1998.'Is built' is the present passive, and the text refers to a completed event in the past.
• C) The new library was built in 1998.Correct! 'Was built' is the past simple passive, formed with 'was' plus the past participle.
• D) The new library has build in 1998.'Has build' needs the past participle 'built' after 'has'.

Respuesta correcta: D) The wet floor means somebody must have spilled water.

• A) The wet floor means somebody must spilled water.'Must spilled' combines a modal with a past participle directly, which is not a possible form.
• B) The wet floor means somebody has must spill water.'Has must' places two auxiliaries in the wrong order and in the wrong tense.
• C) The wet floor means somebody must to spill water.'Must to' adds an infinitive marker after a modal, which is not allowed.
• D) The wet floor means somebody must have spilled water.Correct! A deduction about the past takes the modal 'must' plus 'have' plus the past participle.

Respuesta correcta: A) If it rains, we will cancel the match.

• A) If it rains, we will cancel the match.Correct! The first conditional uses 'if' plus the present simple and 'will' plus the base form.
• B) If it will rain, we cancel the match.'If it will rain' is not a possible clause; the present simple is required after 'if'.
• C) If it rains, we cancel the match tomorrow.'We cancel' in the main clause would express a habit rather than a future result.
• D) If it rained, we will cancel the match.'If it rained' is the second conditional, and the main clause with 'will' does not match it.

Respuesta correcta: B) The film was long, wasn't it?

• A) The film was long, wasn't it being?'Wasn't it being' would add a progressive that the statement does not contain.
• B) The film was long, wasn't it?Correct! A positive statement takes a negative tag with the auxiliary of the main clause.
• C) The film was long, wasn't it has?'Wasn't it has' mixes two auxiliaries, which is not a possible tag.
• D) The film was long, wasn't it did?'Wasn't it did' places a past auxiliary after the subject, which no tag does.

Respuesta correcta: C) The teacher who helped me is leaving the school.

• A) The teacher what helped me is leaving the school.'What' introduces a clause that acts as the subject, and it cannot refer to a person here.
• B) The teacher which helped me is leaving the school.'Which' is used for things in this structure, and the teacher is a person.
• C) The teacher who helped me is leaving the school.Correct! 'Who' is the relative pronoun used for people when the clause has its own subject and verb.
• D) The teacher where helped me is leaving the school.'Where' introduces a clause about a place and would require no verb of its own.

Respuesta correcta: D) Please turn off the light before you leave.

• A) Please turn of the light before you leave.'Turn of' is a misspelling, and a phrasal verb particle is a word, not a suffix.
• B) Please turn off light before you leave.'Turn off light' without the article is not acceptable before a single countable noun.
• C) Please turn the light off of before you leave.'Turn the light off of' adds a preposition that does not belong to this phrasal verb.
• D) Please turn off the light before you leave.Correct! 'Turn off' is the phrasal verb that means to switch a device off.

Respuesta correcta: A) She asked where the library was.

• A) She asked where the library was.Correct! An embedded question restores the declarative order, so the subject comes before the verb.
• B) She asked where was the library.'Where was the library' keeps the order of a direct question, which does not belong after 'asked'.
• C) She asked where the library is.'The library is' would not apply the backshift required by the past reporting verb.
• D) She asked the library where was.'The library where was' places the subject before the question word, which no English structure allows.

Respuesta correcta: B) This road is wider than the one through the mountain.

• A) This road is more wide than the one through the mountain.'More wide' mixes the two systems of comparison, which is not correct for this adjective.
• B) This road is wider than the one through the mountain.Correct! 'Wider' is the comparative of a short adjective and 'than' introduces the second term of the comparison.
• C) This road is the widest than the one through the mountain.'The widest' is the superlative and would need 'of' plus a group, not 'than'.
• D) This road is wider as the one through the mountain.'Wider as' is not a comparison of equality; that structure is 'as ... as'.

Respuesta correcta: C) The result of the experiment was surprising.

• A) The result of the experiment was surprising to the researchers.'Were' would not agree with the singular subject 'the result'.
• B) The result of the experiment were surprising.The verb 'were' here also fails, because the subject 'the result' is singular.
• C) The result of the experiment was surprising.Correct! 'Was' links a singular subject to an adjective, which is the form this sentence needs.
• D) The result of the experiment has surprising.'Has' cannot be followed directly by an adjective, so 'has surprising' is not a possible structure.

Respuesta correcta: D) He used to live in the countryside.

• A) He used living in the countryside.'Used living' needs the infinitive after 'to', which is missing.
• B) He use to live in the countryside.'Use to' without the -d is not the past form of the verb.
• C) He is used to live in the countryside.'Is used to' is followed by a gerund or a noun, not by an infinitive, and it means something else.
• D) He used to live in the countryside.Correct! 'Used to' plus the base form describes a habit or a state that existed in the past and no longer does.

Respuesta correcta: A) Where did you put the keys?

• A) Where did you put the keys?Correct! A wh-question places the question word first, then the auxiliary, then the subject, then the verb and the object.
• B) Where you did put the keys?'Where you did put' inverts the subject and the auxiliary wrongly for a question.
• C) Where put you the keys?'Put you' places the main verb before the subject, which no English question does.
• D) Where did the keys you put?'Where did the keys you put' leaves the direct object before the verb, which is not English word order.

Respuesta correcta: B) She called the clinic to make an appointment.

• A) She called the clinic for make an appointment.'For make' mixes a preposition with a base form, which is not a possible combination.
• B) She called the clinic to make an appointment.Correct! 'To make' is the infinitive of purpose and it explains why the call was made.
• C) She called the clinic making an appointment.'Making' is a gerund, and a gerund cannot serve as the purpose complement in this structure.
• D) She called the clinic made an appointment.'Made' is a past form and cannot follow the verb of calling in that slot.

Respuesta correcta: C) He doesn't have any brothers.

• A) He don't have any brothers.'Don't' does not agree with the third person subject 'he'.
• B) He doesn't has any brothers.'Doesn't has' would place a base form after the auxiliary, which is wrong in the negative.
• C) He doesn't have any brothers.Correct! The auxiliary 'does' takes the negative particle 'not', and the main verb keeps its base form.
• D) He not have any brothers.'Not' cannot be used on its own as the negative of a simple present clause.

Respuesta correcta: D) I am meeting the guide at six.

• A) I will meeting the guide at six.'Will meeting' combines a modal with a gerund, which is not a possible form.
• B) I meeting the guide at six.'I meeting' has no auxiliary, so the clause is not finite.
• C) I am meet the guide at six.'Am meet' places a base form after the auxiliary, which is not allowed.
• D) I am meeting the guide at six.Correct! The present continuous can express a fixed arrangement in the near future.

Respuesta correcta: A) She is good at solving problems.

• A) She is good at solving problems.Correct! 'At' is followed by a gerund, so 'solving' is the correct form.
• B) She is good at solve problems.'At solve' places a base form after a preposition, which is not allowed in English.
• C) She is good for solving problems.'Good for' expresses suitability for a purpose, which is not what the sentence means.
• D) She is good solving problems.The gerund is required after 'good at', and here it is missing.

Respuesta correcta: B) By the time we arrived, the film had already started.

• A) By the time we arrived, the film has already started.'Has started' is the present perfect, and it cannot describe a moment before a past arrival.
• B) By the time we arrived, the film had already started.Correct! 'Had started' is the past perfect, which places an action before another past action.
• C) By the time we arrived, the film was already start.'Was already start' places a base form after a form of 'be', which is not allowed.
• D) By the time we arrived, the film had already start.'Had already start' needs the past participle 'started' after the auxiliary 'had'.

Respuesta correcta: C) The sun rose over the mountains at six.

• A) Sun rose over mountains at six.Omitting both articles leaves the sentence without the determiners the nouns require.
• B) The sun rose over mountains at six.The first article is correct but the range of mountains also needs a definite article in this use.
• C) The sun rose over the mountains at six.Correct! Definite articles are used for the sun and for a mountain range treated as a single whole.
• D) A sun rose over the mountains at six.'A sun' would introduce one sun among several, which is not the meaning here.

Respuesta correcta: D) All applicants must submit a copy of the document.

• A) All applicants must to submit a copy of the document.'Must to submit' adds an infinitive marker after a modal, which is not allowed.
• B) All applicants must submits a copy of the document.'Must submits' adds an -s ending to a verb that must stay in the base form after a modal.
• C) All applicants are must submit a copy of the document.'Are must' places two auxiliaries in one clause, which is not a possible structure.
• D) All applicants must submit a copy of the document.Correct! A modal of obligation is followed by the base form of the main verb.