Passive voice & Modals of deduction — O/L English

How do I practise Passive voice & Modals of deduction?

1 question with a worked solution

Check before you answer: Passive Voice Selection in Reports: Maintaining an objective, formal third-person register using passive verb forms in scientific or mystery investigation reports.

1. Select the appropriate past modal verb to express a logical deduction about a mystery: 'The ancient stone fortress was built with remarkable precision; the engineers ______ advanced mathematical knowledge.'
   1. A) might possess
   2. B) must have possessed
   3. C) should have possessed
   4. D) cannot possess
   Check my answer

   Correct answer: B) must have possessed

   'Must have + past participle' is used to express a strong logical deduction or certainty about an event in the past based on clear evidence (the precision of the stone fortress).

   Show worked solution

   Step 1: Identify context: physical evidence of precision implies undeniable past competence. Step 2: Modal deduction in the past: 'must have + V3' expresses near certainty about past fact. Step 3: 'should have' implies regret/unfulfilled expectation; 'cannot possess' is present tense. Answer: must have possessed.
   Modelled on: the O/L English examination pattern

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Where does Passive voice & Modals of deduction fit in the syllabus?

Grade 11 · Term 3