| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] happened to | 214 |
|
| 2 | know [pron] happened to | 69 |
|
| 3 | [to-vb] [pron] happened to | 27 |
|
| 4 | to know [pron] [verb] to | 20 |
|
| 5 | to know [pron] happen to | 13 |
|
| 6 | to know [pron] happened [prep] | 12 |
|
| 7 | to know [pron] [vb past] to | 10 |
|
