| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] n't [verb] | 15023 |
|
| 2 | [vb -s] n't know | 601 |
|
| 3 | n't [verb] know | 470 |
|
| 4 | [vb -s] [verb] know | 112 |
|
