| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [adv] [prep] | 9328 |
|
| 2 | [not/n't] know [adv] | 4440 |
|
| 3 | [not/n't] know [prep] | 952 |
|
| 4 | know [adv] [prep] | 150 |
|
