| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [Wh det] happened to | 59 |
|
| 2 | [adv] [Wh det] happened to | 44 |
|
| 3 | exactly [Wh det] happened [prep] | 23 |
|
| 4 | exactly [Wh det] [verb] to | 19 |
|
| 5 | exactly [Wh det] happen to | 14 |
|
| 6 | exactly [Wh det] [vb past] to | 12 |
|
| 7 | exactly [pron] happened to | 11 |
|
| 8 | exactly [Wh det] happened to | 11 |
|
