Standard English Primary 6 Grammar

If Auntie Mei ________ that the supermarket was having a clearance sale, she would have bought more groceries.

A has known
B knew
C had known
D knows
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Worked Solution

Step 1: Examine the main clause: 'would have bought'. This indicates a Type 3 Conditional (past unreal situation). Step 2: Recall the formula for Type 3 Conditionals: If + Past Perfect, would have + Past Participle. Step 3: Select the Past Perfect form: 'had known'.

Correct answer: had known

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