| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] not [be] | 25777 |
|
| 2 | [vb mod] not know | 347 |
|
| 3 | [vb mod] [be] know | 220 |
|
| 4 | not [be] know | 77 |
|
