| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not know [pron] [is] | 360 |
|
| 2 | not know [pron] [adv] | 251 |
|
| 3 | not [pron] [is] [adv] | 160 |
|
| 4 | know [pron] [is] [adv] | 83 |
|
| 5 | not know [is] [adv] | 9 |
|
