| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [verb] [not/n't] [adv] know | 505 |
|
| 2 | [subord] i [verb] [adv] know | 316 |
|
| 3 | [subord] i [verb] [not/n't] know | 315 |
|
| 4 | [subord] i [verb] [not/n't] [adv] | 124 |
|
