Direction: In the following questions, a sentence/part of the sentence is printed in bold. Below are given alternatives to the bold sentence/part of the sentence at (1), (2) and (3) which may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is (4).
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If they were knowing about the crabs, they would not have decided to picnic there.
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- had known
- knew
- did know
- No improvement
Correct Option: A
The sentence structure will be as follows :
If they + had + known (Past Participle) → Past Perfect
Hence, had known is the right usage.