| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that have been going on [prep] | 15 |
|
| 2 | that have been going on [prep] | 15 |
|
| 3 | that have been going on [prep] | 15 |
|
| 4 | that has been going on [prep] | 10 |
|
| 5 | that have been going on for | 7 |
|
| 6 | that have been going on for | 7 |
|
