| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] going on [prep] | 68 |
|
| 2 | has been going on [prep] | 68 |
|
| 3 | has [been] going on for | 37 |
|
| 4 | has [been] going on for | 37 |
|
| 5 | has [been] going on in | 10 |
|
| 6 | has [been] going on in | 10 |
|
| 7 | has [been] going on since | 7 |
|
| 8 | has [been] going on since | 7 |
|
| 9 | has [been] going on at | 6 |
|
| 10 | has [been] going on at | 6 |
|
