| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [adv] happened to | 71 |
|
| 2 | [coord] [pron] happened to | 61 |
|
| 3 | [coord] [pron] [adv] happened | 53 |
|
| 4 | [coord] [pron] [adv] to | 19 |
|
