| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been happening in | 35 |
|
| 2 | have been happening in | 35 |
|
| 3 | [vb -s] been happening in | 27 |
|
| 4 | has been happening in | 16 |
|
| 5 | 's been happening in | 11 |
|
| 6 | been happening in [art] | 19 |
|
| 7 | been happening in [art] | 19 |
|
| 8 | been happening in the | 18 |
|
| 9 | been happening in the | 18 |
|
| 10 | been happening in [noun] | 11 |
|
| 11 | been happening in [noun prp] | 8 |
|
| 12 | been happening in [adj] | 6 |
|
| 13 | been happening in [adj] | 6 |
|
