| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been going on at | 9 |
|
| 2 | have been going [adv] at | 9 |
|
| 3 | have been going on at | 9 |
|
| 4 | have been going [adv prt] at | 9 |
|
| 5 | has been going [adv] at | 6 |
|
