| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know [Wh det] [pron] [verb] | 514 |
|
| 2 | [not/n't] [verb] [Wh det] [pron] think | 79 |
|
| 3 | [not/n't] know [pron] [pron] think | 44 |
|
| 4 | [adv] know [Wh det] [pron] think | 43 |
|
