| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what happened [prep] | 298 |
|
| 2 | [prep] what happened [prep] | 226 |
|
| 3 | [prep] what happened [prep] | 226 |
|
| 4 | [adv] what happened [prep] | 102 |
|
| 5 | know what happened [prep] | 92 |
|
| 6 | [vb infin] what happened [prep] | 89 |
|
| 7 | [vb base] what happened [prep] | 86 |
|
| 8 | [adv] what happened [prep] | 79 |
|
| 9 | [conj] what happened [prep] | 72 |
|
| 10 | be what happened [prep] | 69 |
|
| 11 | of what happened [prep] | 69 |
|
| 12 | of what happened [prep] | 69 |
|
| 13 | [be] what happened [prep] | 69 |
|
| 14 | [is] what happened [prep] | 57 |
|
| 15 | [coord] what happened [prep] | 53 |
|
| 16 | about what happened [prep] | 50 |
|
| 17 | about what happened [prep] | 50 |
|
| 18 | [to-vb] what happened [prep] | 50 |
|
| 19 | know what happened [prep] | 46 |
|
| 20 | [pron] what happened [prep] | 34 |
|
| 21 | [pers pn] what happened [prep] | 33 |
|
| 22 | is what happened [prep] | 32 |
|
| 23 | and what happened [prep] | 31 |
|
| 24 | and what happened [prep] | 31 |
|
| 25 | wonder what happened [prep] | 29 |
|
| 26 | [vb past] what happened [prep] | 25 |
|
| 27 | so what happened [prep] | 25 |
|
| 28 | 's what happened [prep] | 25 |
|
| 29 | so what happened [prep] | 25 |
|
| 30 | [noun] what happened [prep] | 25 |
|
