| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know how [verb] [pers pn] [vb infin] | 6 |
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| 2 | know [Wh adv] [to-vb] [pers pn] [vb infin] | 6 |
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know [Wh adv] [verb] [pers pn] [vb infin] Next page
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