| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that have been going on | 25 |
|
| 2 | that have been [v-ing] on | 25 |
|
| 3 | that has been [v-ing] on | 11 |
|
| 4 | that 's been [v-ing] on | 8 |
|
| 5 | that have been [v-ing] on | 5 |
|
