| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] i [verb] n't know [pron] | 418 |
|
| 2 | [conj] [pron] [verb] n't know who | 69 |
|
| 3 | [conj] i [verb] n't [verb] who | 31 |
|
| 4 | [conj] i [verb] [adv] know who | 26 |
|
| 5 | [conj] i [verb] [not/n't] know who | 25 |
|
| 6 | [conj] i [verb] not know who | 25 |
|
