| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do not they know | 10 |
|
| 2 | [verb] n't they know | 10 |
|
| 3 | [verb] not they know | 10 |
|
| 4 | do not they know | 7 |
|
| 5 | [vb base] not they know | 7 |
|
