| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [pers pn] [verb] [adv] know | 998 |
|
| 2 | [adv] [pers pn] [verb] n't know | 948 |
|
| 3 | [pers pn] [verb] n't [adv] know | 867 |
|
| 4 | [adv] [pers pn] [verb] n't [adv] | 372 |
|
| 5 | [adv] [verb] n't [adv] know | 23 |
|
