| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [pron] happened to | 54 |
|
| 2 | 's [pron] happened to | 19 |
|
| 3 | 's [adv] [pron] happened | 10 |
|
| 4 | 's [adv] [pron] to | 7 |
|
