| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] did n't know | 3185 |
|
| 2 | did n't know [pron] | 1642 |
|
| 3 | [pers pn] did n't [pron] | 347 |
|
| 4 | [pers pn] did know [pron] | 34 |
|
