Question 1

The manager (A) would have approved / (B) the proposal if you (C) had submitted / (D) it on time. Choose the option with an error.

Accepted Answer

All parts are grammatically correct. This is a mixed conditional (past condition, past result). 'Would have approved' is correct in the main clause. 'Had submitted' is correct in the if-clause. No error exists.

Question 2

Choose the correct modal to complete the sentence: You ______ wear a seatbelt while driving. It is the law.

Accepted Answer

The modal 'must' is used to express obligation or a rule enforced by law or authority. 'Should' suggests advice, 'may' suggests permission, and 'might' suggests possibility. Since wearing a seatbelt is a legal requirement, 'must' is the correct choice here.

Question 3

She (A) might have forgotten / (B) her keys at the office, (C) so she may / (D) need to call the security guard. Choose the option with an error.

Accepted Answer

All parts are grammatically correct. 'Might have forgotten' is correct modal perfect for past possibility. 'May need' is correct for present possibility. No error exists.

Question 4

Identify the error in the sentence:
He (A) would rather (B) to work (C) independently than with a team (D). No error (E)

Accepted Answer

The error is in part (C). The phrase 'would rather' is followed by the base form of the verb, not the infinitive with 'to'. The correct form is 'would rather work', not 'would rather to work'. The sentence should read: 'He would rather work independently than with a team.'

Question 5

You (A) must not / (B) reveal this secret to anyone, (C) as it could / (D) damage our reputation. Choose the option with an error.

Accepted Answer

All parts are grammatically correct. 'Must not' is the correct negative modal for prohibition. 'Reveal' is the base form required after 'must not.' 'Could' is the correct modal for possibility/consequence. No error exists.

Question 6

The employees (A) ought to / (B) have been informed / (C) about the policy change, (D) but nobody told them. Choose the option with an error.

Accepted Answer

All parts are grammatically correct. 'Ought to have been informed' is the correct modal perfect passive form for an unfulfilled past obligation. 'Ought to' is followed by 'to have been informed' (infinitive form). No error exists.

Question 7

Identify the error in the sentence:
You (A) should not (B) goes to that meeting (C) without proper preparation (D). No error (E)

Accepted Answer

The error is in part (C). After the modal 'should not', the base form of the verb must be used. The correct form is 'go', not 'goes'. The sentence should read: 'You should not go to that meeting without proper preparation.'

Question 8

Identify the error in the sentence:
She (A) might have (B) completed the project (C) if she had more time (D). No error (E)

Accepted Answer

The error is in part (D). The sentence uses a mixed conditional structure. Since 'might have completed' (past conditional) is used, the condition should also be in the past: 'if she had had more time' (past perfect). The current form 'if she had more time' is simple past, which is inconsistent.

Question 9

Identify the error in the sentence:
The students (A) must to (B) submit their assignments (C) by Friday (D). No error (E)

Accepted Answer

The error is in part (B). The modal 'must' should be followed directly by the base form of the verb, not by 'to'. The correct form is 'must submit', not 'must to submit'. The sentence should read: 'The students must submit their assignments by Friday.'

Question 10

Identify the error in the sentence:
You (A) can either (B) attend the conference or (C) you can send a representative (D). No error (E)

Accepted Answer

The error is in part (A). When using the structure 'either...or', the verb form should be consistent on both sides. The sentence should read: 'You can either attend the conference or send a representative' (without repeating 'you can'). Alternatively, it could be: 'Either you can attend the conference or you can send a representative.' The current structure is redundant and unbalanced.

Question 11

The doctor advised that the patient (A) might avoid / (B) should avoid / (C) could avoid / (D) would avoid fatty foods, and no error.

Accepted Answer

The correct answer is (B) 'should avoid'. When giving advice or recommendations in reported speech, the modal 'should' is the standard form. 'Should' expresses advisability and is the appropriate modal for reported advice or recommendations.

Question 12

She (A) cannot have forgotten / (B) could not have forgotten / (C) must not have forgotten / (D) should not have forgotten the meeting yesterday, and no error.

Accepted Answer

The correct answer is (A) 'cannot have forgotten'. The phrase 'cannot have + V3' expresses a logical deduction about a past event—it means 'it is logically impossible that she forgot.' This is the correct form for expressing certainty about what did not happen in the past.

Question 13

The student (A) ought to have studied / (B) ought to study / (C) should have been studying / (D) must study harder before the examination, and no error.

Accepted Answer

The correct answer is (A) 'ought to have studied'. The sentence refers to a past action (before the examination), so the past infinitive form 'ought to have + V3' is required. This expresses a past obligation or advisability that was not fulfilled.

Question 14

The regulations state that employees (A) may not leave / (B) cannot leave / (C) must not leave / (D) should not leave the premises without permission, and no error.

Accepted Answer

The correct answer is (C) 'must not leave'. In formal regulations or rules, 'must not' (prohibition) is the standard modal to express what is forbidden or not allowed. 'Must not' is the appropriate form for stating rules and prohibitions in official contexts.

Question 15

The manager said that the employees (A) should complete / (B) must complete / (C) would complete / (D) shall complete the project by Friday, and no error.

Accepted Answer

The correct answer is (A) 'should complete'. In reported speech, when the original instruction is 'You must complete the project by Friday,' the modal 'must' is reported as 'should' (not 'must' or 'would'). The modal 'should' is the appropriate reported form for obligation/instruction in indirect speech.

Question 16

The manager said that the employees (A) should complete the project (B) by next Friday, and they (C) must submit the report on time (D). No error (E)

Accepted Answer

The sentence is grammatically correct. All modal verbs are used appropriately: 'should' expresses obligation/expectation, and 'must' expresses necessity. The pronouns and tense consistency are also correct.

Question 17

The regulations state that employees (A) may not leave (B) the office premises (C) without permission from the supervisor (D). No error (E)

Accepted Answer

The sentence is grammatically correct. The modal 'may not' correctly expresses prohibition/lack of permission. All other elements—subject-verb agreement, prepositions, and noun phrases—are accurate.

Question 18

The auditor (A) ought to have verified / (B) all financial records, yet he (C) could not have overlooked / (D) such critical discrepancies. No error

Accepted Answer

The error is in part (C). The phrase 'could not have overlooked' is logically and grammatically incorrect in this context. The sentence implies that the auditor actually did overlook the discrepancies (a fact), so the correct modal should be 'could have overlooked' (expressing possibility in the past). The negation 'could not have' suggests impossibility, which contradicts the reality that he did overlook them. Part (A) correctly uses 'ought to have verified' (unfulfilled past obligation).

Question 19

The witness (A) must have seen / (B) the accident clearly, otherwise he (C) would not be able to / (D) provide such detailed testimony. No error

Accepted Answer

The error is in part (D). The phrase 'provide such detailed testimony' is incorrect because it uses the base infinitive form after 'would not be able to.' The correct form should be 'to provide' (infinitive with 'to'). After the modal auxiliary 'would' and the semi-modal 'be able to,' the infinitive must include 'to'. Part (A) correctly uses 'must have seen' (modal perfect for deduction about the past), and part (C) correctly uses 'would not be able to' (the structure requires 'to' before the next verb).

Question 20

The manager said that he (A) would have completed the project (B) by next Friday, but he (C) should not have delayed (D) the submission earlier. No error (E)

Accepted Answer

The error is in part (D). The phrase 'should not have delayed' uses past perfect modal, which is grammatically correct but logically inconsistent with the timeline. The sentence discusses a future completion ('by next Friday'), so the earlier delay should be expressed as 'should not delay' (present modal) or 'should not have been delaying' (present perfect continuous). However, the core error is that 'should not have delayed' contradicts the forward-looking context of 'would have completed by next Friday.' The correct form should be 'should not delay' to maintain consistency with the future reference point.

Question 21

Although she (A) might have studied harder, she (B) could not have passed the examination (C) because the syllabus was too vast for anyone to master (D). No error (E)

Accepted Answer

The error is in part (C). The phrase 'could not have passed' uses the past perfect modal, which is logically inconsistent with the causal clause 'because the syllabus was too vast.' The modal 'could not have passed' suggests a hypothetical past scenario (she didn't pass because she didn't study hard enough), but the reason given ('syllabus was too vast') is an external constraint, not a personal failure. The correct form should be 'could not pass' (present modal indicating an ongoing inability) or restructure the sentence. However, strictly speaking, 'could not have passed' is grammatically valid but semantically weak here—it should be 'could not possibly pass' or simply 'could not pass.'

Question 22

The committee recommended that the proposal (A) should be reconsidered, as it (B) could have addressed the concerns (C) that were raised by the stakeholders (D). No error (E)

Accepted Answer

The error is in part (C). The phrase 'could have addressed' uses past perfect modal, which is inconsistent with the present/future context of the sentence. The sentence discusses a recommendation about reconsidering a proposal (present/future action), so the modal should be 'could address' (present modal) to indicate the proposal's potential to address concerns in the future. 'Could have addressed' implies a missed past opportunity, which contradicts the forward-looking context of 'should be reconsidered.' The correct form should be 'could address' to maintain consistency with the recommendation's future orientation.

Question 23

If the government (A) would have implemented / (B) stricter regulations, the environmental crisis (C) might not have become / (D) so severe by now. No error

Accepted Answer

The error is in part (A). The phrase 'would have implemented' is incorrect in a conditional sentence. In a mixed conditional (past condition with present result), the correct form is 'had implemented' (past perfect without 'would'). The structure 'If + had + V3, ... might/could/would have + V3' is the standard form. Part (C) correctly uses 'might not have become' (modal perfect), which is appropriate for the consequence clause.

Question 24

The director insisted that the actor (A) must attend the rehearsal, even though he (B) would rather not participate (C) in the project that was scheduled (D) for next month. No error (E)

Accepted Answer

The error is in part (A). The phrase 'must attend' is incorrect in reported speech after 'insisted that.' When reporting a demand or insistence in formal English, the modal 'must' should not be used directly in the subordinate clause. Instead, the construction should be 'should attend' or 'attend' (subjunctive mood in British English). The rule is: after verbs of insistence, demand, or suggestion, use 'should' or the bare infinitive, not 'must.' 'Must' is used for the speaker's own obligation, not for reporting others' demands.

Question 25

If the government (A) had implemented the policy earlier, the citizens (B) would have benefited significantly, and the economy (C) might have recovered faster than it actually did (D). No error (E)

Accepted Answer

The error is in part (D). The phrase 'than it actually did' is redundant and creates a tense inconsistency. In a mixed conditional sentence (third conditional + result), the comparison 'than it actually did' is unnecessary because the entire clause already implies a counterfactual past scenario. The correct form should be 'than it has' or simply remove the comparison. However, more precisely, 'than it actually did' uses simple past 'did,' which contradicts the hypothetical nature of the sentence. The sentence should be: 'might have recovered faster than it would have without the policy' or simply 'might have recovered faster.' The phrase 'than it actually did' introduces a real past event, breaking the hypothetical frame.

SSC CHSL Modals

SSC CHSL Modals — Past Exam Questions

Modals— Rules & Concept

Key Points to Remember

Exam-Specific Tips

Modals — Practice Questions

60-Second Revision — Modals