| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [modal v] [verb] | 208931 |
|
| 2 | [noun] [modal v] know | 968 |
|
| 3 | [noun] know [verb] | 154 |
|
| 4 | [modal v] know [verb] | 16 |
|
