| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't [verb] [prep] | 19483 |
|
| 2 | [adv] known [prep] | 3241 |
|
| 3 | n't [vb pp] [prep] | 2256 |
|
| 4 | n't know [prep] | 792 |
|
| 5 | not known [prep] | 229 |
|
| 6 | [not/n't] known [prep] | 229 |
|
| 7 | n't known [prep] | 19 |
|
