| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [verb] [adv] [to-vb] | 1707 |
|
| 2 | [vb mod] know [adv] [verb] | 88 |
|
| 3 | [modal v] know [adv] [to-vb] | 86 |
|
