| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [pron] happened to | 108 |
|
| 2 | [adv] [subord] [pron] happened | 63 |
|
| 3 | [adv] [pron] happened to | 54 |
|
| 4 | [adv] [subord] [pron] to | 10 |
|
