| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [Wh pn] [verb] | 409 |
|
| 2 | [modal v] know [Wh pn] | 66 |
|
| 3 | [modal v] know [verb] | 16 |
|
| 4 | [modal v] [Wh pn] [verb] | 7 |
|
