| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] [to-vb] and [vb infin] [det] | 8 |
|
| 2 | how [verb] and [vb infin] [det] | 8 |
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[Wh adv] [verb] and [vb infin] [det] Next page
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