| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] happened to | 1195 |
|
| 2 | [adv] [pron] happened | 516 |
|
| 3 | [adv] [pron] to | 219 |
|
| 4 | [adv] happened to | 122 |
|
