| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [Wh det] [pron] [modal v] [vb infin] | 363 |
|
| 2 | [verb] [Wh det] it [modal v] [vb infin] | 121 |
|
| 3 | know [pron] it [modal v] [vb infin] | 17 |
|
| 4 | know [Wh det] it [modal v] [verb] | 17 |
|
