| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that [verb] been going on | 25 |
|
| 2 | that have been going on | 25 |
|
| 3 | that [vb -s] been going on | 19 |
|
| 4 | that has been going on | 11 |
|
| 5 | that 's been going on | 8 |
|
| 6 | that have been going on | 5 |
|
| 7 | that [vb base] been going on | 5 |
|
