| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [pron] happened to | 69 |
|
| 2 | [adv] [pron] happened to | 54 |
|
| 3 | [adv] know [pron] to | 18 |
|
| 4 | [adv] know [pron] happened | 17 |
|
