| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what have been [verb] in | 94 |
|
| 2 | what have been happen [prep] | 55 |
|
| 3 | what have been happen [prep] | 55 |
|
| 4 | [Wh det] have been happen in | 24 |
|
| 5 | what [verb] been happen in | 24 |
|
| 6 | what have [been] happen in | 24 |
|
| 7 | [pron] have been happen in | 24 |
|
| 8 | what have [be] happen in | 24 |
|
| 9 | what have been happen in | 24 |
|
| 10 | what have be happen in | 24 |
|
| 11 | what have been happen in | 24 |
|
