| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't know what [adv] say | 5 |
|
| 2 | n't know what [adv] say | 5 |
|
| 3 | n't know [pron] [adv] to say | 5 |
|
| 4 | n't know [Wh det] [adv] say | 5 |
|
| 5 | n't know [pron] else say | 5 |
|
