| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] have been happening [prep] | 9 |
|
| 2 | [that] have been happening [prep] | 6 |
|
| 3 | that have been happening [prep] | 6 |
|
| 4 | that have been happening [prep] | 6 |
|
