| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know [Wh det] [pron] | 1753 |
|
| 2 | know [Wh det] [pron] [vb mod] | 457 |
|
| 3 | [not/n't] know [pron] [vb mod] | 179 |
|
| 4 | [not/n't] [Wh det] [pron] [vb mod] | 126 |
|
| 5 | [not/n't] know [Wh det] [vb mod] | 52 |
|
