| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] going on | 264 |
|
| 2 | it [verb] [been] going | 60 |
|
| 3 | it [verb] [been] on | 13 |
|
| 4 | it [been] going on | 5 |
|
