| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been happening in | 24 |
|
| 2 | [Wh det] have been happening in | 24 |
|
| 3 | what have been happening in | 24 |
|
| 4 | what have been happening in | 24 |
|
| 5 | have been happening in [art] | 18 |
|
| 6 | have been happening in [art] | 18 |
|
| 7 | have been happening in the | 17 |
|
| 8 | have been happening in the | 17 |
|
| 9 | have been happening in [noun] | 11 |
|
| 10 | have been happening in [noun prp] | 8 |
|
| 11 | have been happening in [adj] | 6 |
|
| 12 | have been happening in [adj] | 6 |
|
