| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do not know [pron] | 4422 |
|
| 2 | do not know [prep] | 530 |
|
| 3 | not know [pron] [prep] | 351 |
|
| 4 | do not [pron] [prep] | 44 |
|
| 5 | do know [pron] [prep] | 7 |
|
