| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] what happen to | 14 |
|
| 2 | [adv] [prep] what happen to | 14 |
|
| 3 | [adv] [prep] [Wh det] happen to | 14 |
|
| 4 | [adv] [prep] [pron] happen to | 13 |
|
| 5 | [adv] [prep] [pron] happens to | 7 |
|
| 6 | [adv] [prep] [pron] happened to | 7 |
|
| 7 | [adv] about [pron] happen to | 7 |
|
