| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] has been happen [prep] | 11 |
|
| 2 | [prep] [Wh det] has been happen [prep] | 11 |
|
| 3 | of [Wh det] has been happen [prep] | 6 |
|
| 4 | of [Wh det] has been happen [prep] | 6 |
|
| 5 | [verb] [Wh det] has been happen [prep] | 5 |
|
| 6 | [coord] [Wh det] has been happen [prep] | 5 |
|
| 7 | [conj] [Wh det] has been happen [prep] | 5 |
|
| 8 | [Wh det] has been happen [prep] [art] | 14 |
|
| 9 | [Wh det] has been happen [prep] [art] | 14 |
|
| 10 | [Wh det] has been happen [prep] the | 13 |
|
| 11 | [Wh det] has been happen [prep] the | 13 |
|
| 12 | [Wh det] has been happen [prep] [noun] | 6 |
|
| 13 | [Wh det] has been happen [prep] [noun prp] | 5 |
|
