| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [pron] [modal v] | 54249 |
|
| 2 | [pron] [modal v] know | 2530 |
|
| 3 | [adv] [pron] know | 367 |
|
| 4 | [adv] [modal v] know | 47 |
|
