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