| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know [pron] [pers pn] | 1787 |
|
| 2 | [vb mod] [not/n't] know [pron] | 296 |
|
| 3 | [vb mod] know [pron] [pers pn] | 143 |
|
| 4 | [vb mod] [not/n't] know [pers pn] | 103 |
|
| 5 | [vb mod] [not/n't] [pron] [pers pn] | 25 |
|
