| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have know [noun] | 19 |
|
| 2 | [modal v] have know [noun] | 19 |
|
| 3 | [modal v] have known [noun] | 18 |
|
| 4 | [modal v] have know [noun prp] | 10 |
|
| 5 | must have know [noun] | 5 |
|
| 6 | should have know [noun] | 5 |
|
| 7 | should have know [noun] | 5 |
|
| 8 | must have know [noun] | 5 |
|
