| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that have been [v-ing] on for | 7 |
|
| 2 | that have [been] going on for | 7 |
|
| 3 | that have [been] [v-ing] on for | 7 |
|
| 4 | that has [been] [v-ing] on for | 5 |
|
