| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know [subord] [pron] | 1727 |
|
| 2 | know [subord] [pron] [vb mod] | 516 |
|
| 3 | [not/n't] know [pron] [vb mod] | 179 |
|
| 4 | [not/n't] [subord] [pron] [vb mod] | 173 |
|
