| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [verb] [prep] be | 799 |
|
| 2 | who [vb past] [prep] be | 367 |
|
| 3 | [pron] happened [prep] be | 236 |
|
| 4 | who happen [prep] be | 111 |
|
| 5 | who happened [prep] be | 56 |
|
| 6 | who happened [prep] [be] | 56 |
|
| 7 | who happened [prep] be | 56 |
|
| 8 | who happened [prep] [be] | 56 |
|
