| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know [subord] i [verb] | 123 |
|
| 2 | [not/n't] [subord] i [verb] [verb] | 62 |
|
| 3 | know [subord] i [verb] [verb] | 37 |
|
| 4 | [not/n't] know i [verb] [verb] | 13 |
|
