| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] what [verb] happen to | 28 |
|
| 2 | [adv] what [vb past] happen to | 23 |
|
| 3 | [adv] what [vb past] happen [prep] | 17 |
|
| 4 | [adv] what [vb past] happen [prep] | 17 |
|
| 5 | [adv] [pron] [vb past] happen to | 13 |
|
| 6 | [adv] what [vb past] [verb] to | 13 |
|
| 7 | [adv] what [vb past] happen to | 12 |
|
| 8 | [adv] what [vb past] happen to | 12 |
|
| 9 | [adv] [Wh det] [vb past] happen to | 12 |
|
