| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [not/n't] [verb] [prep] [pron] | 271 |
|
| 2 | [is] [adv] know [prep] [pron] | 97 |
|
| 3 | [be] [not/n't] know [prep] [pron] | 28 |
|
