| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't know [pron] come | 15 |
|
| 2 | n't know what come | 12 |
|
| 3 | n't know [Wh det] come | 12 |
|
| 4 | n't know what come | 12 |
|
| 5 | n't know [pron] came | 9 |
|
