| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's been [v-ing] on for | 17 |
|
| 2 | 's [been] [v-ing] on for | 17 |
|
| 3 | 's be [v-ing] on for | 17 |
|
| 4 | 's [be] [v-ing] on for | 17 |
|
| 5 | 's [be] going on for | 15 |
|
