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