| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know i | 271 |
|
| 2 | know i [be] | 160 |
|
| 3 | [not/n't] i [be] | 160 |
|
| 4 | [not/n't] know [be] | 102 |
|
