| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] on for [adj] | 6 |
|
| 2 | have been go on for [adj] | 6 |
|
| 3 | have been going on for [adj] | 6 |
|
| 4 | have been [v-ing] on for [adj] | 6 |
|
