| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [adv] what happened to | 10 |
|
| 2 | be [adv] what happened to | 10 |
|
| 3 | [is] [adv] what happened to | 9 |
|
| 4 | [verb] [adv] what happened to | 5 |
|
| 5 | 's [adv] what happened to | 5 |
|
| 6 | [adv] [verb] what happened to | 16 |
|
| 7 | [adv] [prep] what happened to | 6 |
|
| 8 | [adv] [prep] what happened to | 6 |
|
| 9 | [adv] [vb base] what happened to | 5 |
|
| 10 | [adv] wonder what happened to | 5 |
|
| 11 | [adv] know what happened to | 5 |
|
| 12 | [adv] what happened to [pron] | 21 |
|
| 13 | [adv] what happened to [pers pn] | 15 |
|
| 14 | [adv] what happened to [art] | 9 |
|
| 15 | [adv] what happened to the | 9 |
|
| 16 | [adv] what happened to the | 9 |
|
| 17 | [adv] what happened to [art] | 9 |
|
| 18 | [adv] what happened to [noun] | 7 |
|
| 19 | [adv] what happened to [noun prp] | 6 |
|
| 20 | [adv] what happened to [pos pn] | 6 |
|
| 21 | [adv] what happened to i | 5 |
|
| 22 | [adv] what happened to me | 5 |
|
