| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [n mass] who [verb] to | 204 |
|
| 2 | [noun] who happen to | 52 |
|
| 3 | [n mass] [pron] happen to | 10 |
|
| 4 | [n mass] who happen [prep] | 8 |
|
