| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been going on | 264 |
|
| 2 | [verb] been going [prep] | 190 |
|
| 3 | been going on [prep] | 176 |
|
| 4 | [verb] going on [prep] | 58 |
|
| 5 | [verb] been on [prep] | 41 |
|
