| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | wo [not/n't] [verb] | 8902 |
|
| 2 | wo [not/n't] [vb infin] | 8892 |
|
| 3 | [vb mod] [not/n't] know | 966 |
|
| 4 | [modal v] [not/n't] know | 966 |
|
| 5 | will [not/n't] know | 237 |
|
| 6 | wo [not/n't] know | 188 |
|
| 7 | wo [adv] know | 187 |
|
