| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [pron] [modal v] [verb] | 770 |
|
| 2 | [verb] what [modal v] [verb] | 645 |
|
| 3 | know what [modal v] [verb] | 167 |
|
| 4 | [vb base] what [modal v] [verb] | 104 |
|
| 5 | know [Wh det] [modal v] [verb] | 34 |
|
| 6 | know what [modal v] [verb] | 33 |
|
