| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been going on for | 95 |
|
| 2 | been going on in | 27 |
|
| 3 | been going on since | 15 |
|
| 4 | been going on at | 10 |
|
| 5 | been going on about | 7 |
|
| 6 | been going on with | 5 |
|
