| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been happening to | 14 |
|
| 2 | what have been happening to | 14 |
|
| 3 | [Wh det] have been happening to | 14 |
|
| 4 | what have been happening to | 14 |
|
| 5 | have been happening to [pron] | 11 |
|
| 6 | have been happening to [pers pn] | 11 |
|
| 7 | have been happening to [art] | 7 |
|
| 8 | have been happening to [art] | 7 |
|
| 9 | have been happening to the | 5 |
|
| 10 | have been happening to the | 5 |
|
