| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did not [pron] know that | 10 |
|
| 2 | [vb past] n't [pron] know that | 10 |
|
| 3 | [vb past] not [pers pn] know that | 10 |
|
| 4 | [vb past] not [pron] know that | 9 |
|
| 5 | [vb past] not you know that | 5 |
|
| 6 | [vb past] not you know that | 5 |
|
