| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [pron] [verb] happened to | 29 |
|
| 2 | [adv] what [verb] happened to | 26 |
|
| 3 | [adv] what [verb] happened to | 26 |
|
| 4 | [adv] [Wh det] [verb] happened to | 26 |
|
| 5 | [adv] [adj] [verb] happened to | 9 |
|
| 6 | [adv] [det] [verb] happened to | 5 |
|
