| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] know [pron] [modal v] happen | 37 |
|
| 2 | know [pron] [modal v] happen to | 24 |
|
| 3 | [pers pn] know [pron] happen to | 22 |
|
| 4 | [pers pn] know [pron] [modal v] to | 17 |
|
