| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb infin] what happened to | 12 |
|
| 2 | you [vb infin] what happened to | 8 |
|
| 3 | [pers pn] [vb infin] what happened to | 8 |
|
| 4 | you [vb infin] what happened to | 8 |
|
| 5 | [pron] know what happened to | 7 |
|
