| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] has been [verb] [prep] | 1055 |
|
| 2 | [Wh det] [verb] been happen [prep] | 55 |
|
| 3 | [Wh det] have been happen [prep] | 55 |
|
| 4 | [Wh det] [vb -s] been happen [prep] | 48 |
|
| 5 | [Wh det] has been happen [prep] | 28 |
|
| 6 | [Wh det] has be happen [prep] | 28 |
|
| 7 | [Wh det] has [been] happen [prep] | 28 |
|
| 8 | [pron] has been happen [prep] | 28 |
|
| 9 | [Wh det] has [be] happen [prep] | 28 |
|
