| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been going on for [adj] | 34 |
|
| 2 | been going on for [det] | 19 |
|
| 3 | been going on for [num] | 15 |
|
| 4 | been going on for some | 14 |
|
| 5 | been going on for some | 14 |
|
