No | Pattern | Freq | Relations |
---|---|---|---|
1 | did [not/n't] know at the time | 11 |
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2 | did [not/n't] know at [art] time | 11 |
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3 | did [not/n't] know at the time | 11 |
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4 | did n't know at [art] time | 10 |
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