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SBI PO Modals

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This page covers SBI PO Modals with complete concept notes, 13 graded practice MCQs, key points and exam-specific tips. Free to study.

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Concept Notes

Modals— Rules & Concept

Core ConceptRead this first — the foundation of the topic

Modals are special verbs that express ability, permission, possibility, necessity, or obligation. They help show the speaker's attitude or opinion about an action. Common modals include can, could, may, might, will, would, shall, should, must, and ought to. Unlike regular verbs, modals never change their form and are always followed by the base form of the main verb. Key Rules: First, modals never take 's' in third person singular. You say 'He can swim' not 'He cans swim'. Second, questions are formed by moving the modal before the subject: 'Can you help?' Third, negatives add 'not' after the modal: 'cannot', 'should not'. Fourth, modals are followed by infinitive without 'to' (except ought to).

Exam PatternsWhat examiners ask — read before attempting PYQs

SSC CGL commonly tests modal selection in sentence correction, cloze tests, and error spotting. Questions often test the difference between similar modals like can/could, may/might, should/must. You'll see sentences with missing modals where you choose the most appropriate one. Error spotting questions frequently test incorrect modal usage or wrong verb forms after modals.

ShortcutsUse these to save 30–60 seconds per question

- PAWN Method: P-Permission (may/can), A-Ability (can/could), W-Willingness (will/would), N-Necessity (must/should). This helps you quickly identify which modal fits the context.

Worked ExampleSolve this step-by-step before moving on
1
Step 1

Identify the context - This shows necessity/obligation

2
Step 2

Apply PAWN method - We need 'N' for Necessity

3
Step 3

Among options, 'must' shows strong necessity

4
Step 4

Check: 'You must complete this work by tomorrow' - grammatically correct Answer: (b) must Another Key Trick: For past forms, remember can→could, may→might, will→would, shall→should. But 'must' stays the same for past meaning, though 'had to' is preferred for past necessity.

Exam TrapsCommon mistakes students make — avoid these

Students often use wrong verb forms after modals. Never write 'can to go' or 'must going'. Always use base form: 'can go', 'must go'.

Another error is using double modals like 'might can' - only one modal per verb phrase. Also, don't confuse 'could' (past ability) with 'could' (polite present possibility). Context determines meaning. Formality Levels matter in exams: 'May I?' is more formal than 'Can I?'. 'Would you?' is more polite than 'Will you?'.

Questions often test appropriate modal choice based on formal/informal situations. Remember that 'shall' is rarely used in American English but appears in British English contexts, especially in first person questions: 'Shall we go?'

Key Points to Remember

  • Modals never change form and are followed by base form of main verb
  • Common modals: can, could, may, might, will, would, shall, should, must, ought to
  • Questions formed by placing modal before subject (Can you help?)
  • Negatives add 'not' after modal (cannot, should not, might not)
  • PAWN method: Permission-Ability-Willingness-Necessity for quick identification
  • Past forms: can→could, may→might, will→would, shall→should
  • May/Shall are more formal than Can/Will in usage
  • Never use double modals or 'to' after modals (except ought to)

Exam-Specific Tips

  • Modals are also called auxiliary verbs or helping verbs
  • Only modal that takes 'to' is 'ought to'
  • Must has no past form - use 'had to' for past necessity
  • Semi-modals include: used to, need to, have to, be able to
  • Could expresses both past ability and present possibility
  • Shall is primarily used with first person (I/we) in questions
  • Might is past form of may but also shows less possibility than may
  • Would rather is followed by base form without 'to'
Practice MCQs

Modals — Practice Questions

13graded MCQs · easy to hard · full solution & trap analysis

All MCQs →
Practice 1easy

Identify the error in the sentence: 'She (A) should have (B) completed the report, but she (C) could not finished (D) it on time. No error (E)'

Practice 2easy

Identify the error in the sentence: 'The manager (A) said that the employees (B) must to submit (C) their reports by Friday. (D) No error (E)'

Practice 3easy

Identify the error in the sentence: 'You (A) should not (B) have went (C) to the meeting without informing me. (D) No error (E)'

Practice 4easy

Identify the error in the sentence: 'The students (A) might have (B) been studying (C) for the exam, but they could not (D) passed it. No error (E)'

Practice 5easy

Identify the error in the sentence: 'The director (A) would rather (B) you did not (C) disclose the information to anyone. (D) No error (E)'

Practice 6medium

The manager said that the employees (A) should not have submitted / (B) must not submit / (C) ought not to have submitted / (D) cannot submit the report without proper authorisation. No error

Practice 7medium

Identify the error in the sentence: She (A) might have went (B) to the conference (C) if she had received the invitation earlier (D). No error (E)

Practice 8medium

Identify the error in the sentence: The manager (A) said that employees (B) must to complete (C) their reports by Friday (D). No error (E)

Practice 9medium

Identify the error in the sentence: The director (A) insisted that all staff members (B) should attend (C) the mandatory training session next week (D). No error (E)

Practice 10medium

Identify the error in the sentence: The employees (A) would rather work (B) from home than come (C) to the office every day (D). No error (E)

Practice 11medium

Identify the error in the sentence: The consultant (A) advised that the company (B) could have implemented (C) the new strategy more effectively if they had planned ahead (D). No error (E)

Practice 12hard

The manager said that the employees (A) should have completed the project by now, but they (B) might not finish it on time because the client (C) has been delaying the approval process, which (D) could affect the final deadline. No error (E)

Practice 13hard

The director announced that the project (A) may have been delayed due to unforeseen circumstances, and the team (B) ought to have communicated the risks earlier so that stakeholders (C) could have prepared contingency plans, which (D) might have mitigated the financial impact. No error (E)

60-Second Revision — Modals

  • Remember: Modals + base form of verb (no 's', no 'to', no 'ing')
  • PAWN trick: Permission-Ability-Willingness-Necessity for context
  • Formula: Subject + Modal + Base Verb (He can swim)
  • Trap: Never use double modals or wrong verb forms after modals
  • Past forms: can→could, may→might, will→would, but must stays same
  • Formality: May/Shall more formal than Can/Will
  • Exception: Only 'ought to' takes 'to' among pure modals
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